[Stock based only] How to enable VoLTE & VoWiFi for India on any region phone. - Samsung Galaxy A7 (2018) Guides, News, & Discussio

Why:
You imported the phone to India from another country and now VoLTE doesn't work for you. Maybe you unwittingly messed with your phones "/odm" partition.
This guide will help you get back the VoLTE functionality for INDIAN MOBILE CARRIERS*. Participate in the poll you want similar guide for other countries.
*might work for Bangladesh, Nepal etc.
Before:
Make sure your carrier supports VoLTE or VoWiFi.
Stock or stock based ROMs.
You should have at least TWRP or root.
Where:
Download the UNFLASHABLE files from here.
How:
-=:TWRP METHOD:=-
Extract the downloaded file, "volte_twrp.zip", to the root of your internal or external storage.
Internal Storage: /storage/emulated/0/TWRP (may not be the same for you)
External Storage: /storage/0000-0000/TWRP (may not be the same for you)
Reboot to recovery.
Select "Backup" from TWRP menu.
Hit "Select Storage".
Select the storage you extracted the downloaded file to.
You should see "2019-05-22-05-24-06_treble....". Select it.
You should see a single entry for "/odm" under "Select Partitions to Restore". Select it if it isn't already.
Uncheck "Enable Digest Verification..."
Swipe to restore. Restart to "System".
-=:root METHOD:=-
I haven't tried this. Let me know!
With your favorite file explorer obtain root access for "/odm".
Replace contents of "/odm" with files extracted from the downloaded file, "volte_root.zip".
Restart.

Good tutorial, but wouldn't be easier just to flash with odin the modem and csc for the specific carrier? It works even on Pie with older oreo modem/csc. You don't need root or twrp.
Tested myselsf, first Pie update was for Russia. Flashed it, but I lost wifi call and volte. So i downloaded oreo stock for my country(Romania - Orange) and flashed the modem and csc. Got back wifi call and volte.

kimitza said:
Good tutorial, but wouldn't be easier just to flash with odin the modem and csc for the specific carrier? It works even on Pie with older oreo modem/csc. You don't need root or twrp.
Tested myselsf, first Pie update was for Russia. Flashed it, but I lost wifi call and volte. So i downloaded oreo stock for my country(Romania - Orange) and flashed the modem and csc. Got back wifi call and volte.
Click to expand...
Click to collapse
This method only works if both the firmwares are for the same model. For examples I cannot flash Indian(SM-A750FN) firmware on a device I obtained from Malaysia(SM-A750GN) because they are different models (FN<->GN). For more information read my other guide.

Hi my phone model SM-A750FN, purchased in Europe and using in India and volte not working , only jiovoice call app working . With this app I can't access bank apps due auto verification failure ... I checked the CSC available list and I didn't found Indian CSC .... Please help me what to do

ch.snehith said:
Hi my phone model SM-A750FN, purchased in Europe and using in India and volte not working , only jiovoice call app working . With this app I can't access bank apps due auto verification failure ... I checked the CSC available list and I didn't found Indian CSC .... Please help me what to do
Click to expand...
Click to collapse
some changes and instructions need to work this fix
After changing that your file worked for me

ch.snehith said:
some changes and instructions need to work this fix
After changing that your file worked for me
Click to expand...
Click to collapse
i have the model SM-A750F/DS bought from dubai.. same issues ..cant access banking apps through jio call app..plz help bro

OK ..finally i have got volte working..its not a big deal at all..self experimnet is everything.
follow the steps
1. goto updato.com search for the firmware SM-A750F and refine the search for India (INS) and the android version 9
2.get the latest firmware and download it.
3.need odin version Odin3_v3.13.1 or above to flash it.
4.enable oem unlock and usb debuggin in developer option.
5.extract the firmware with 7zip, run odin as administartor and
select AP>AP, BL>BL , CP>CP, and important CSC>shud select CSC and not HOME CSC.
put your mobile on download mode flash the firmware.reboot will take a while be patient.
and VoLte wil be there..

Related

[Q] can't connect to google apps

Hello
my name is Mustafa, I have a rooted Samsung galaxy s5 (sm-g900h) lollipop 5.0, it's been 5 days since I can't connect to google apps, I have tried every single method on the internet, including:
-checked date and time
-cleared cache of google play, gmail, google services, and forced stop them
-deleting and editing hosts
-hard reset and factory reset (3 times)
-turning off 2-step verification
-deleting the google account
and so much more, if there is another method, then please let me know it.
Thank you
Do what I say and it will work... :victory:
THIS METHOD WILL WORK IF YOUR DEVICE IS ROOTED... SO PLEASE ROOT YOUR DEVICE BEFORE YOU PROCEED!
• Install "ES File Explorer" (google it, its free).
• Now open it and go to root directory of your device (not sd card, go to device directory)
• Click on "Search" and search for "HOSTS" file.
• When you search for "Hosts", one file named "hosts" will appear.
• Delete that "hosts" file (you don't need any backup of this file, but make one if you want )
• Your GOOGLE APPS will connect now!
Still not connecting? :crying:
Try these steps:
• Go to Settings and clear data of all google apps (that aren't working)
• Force stop them
• Go to wifi and remove the saved wifi networks (or one that you are using)
• Re-Add wifi network
• Restart Mobile
• Again Delete that "HOSTS" file.
I hope it will work now! :laugh:
I tried them, but sadly didnt work
mhmab2000 said:
I tried them, but sadly didnt work
Click to expand...
Click to collapse
Factory reset your phone, then flash the matching firmware from SamMobile.com using ODIN . Your phone will be fully stock and working again
@mhmab2000
means "rooted" that you are running any modified / custom rom OR did you just root the stock firmware?
I rooted the stock formware, no installed rom
mhmab2000 said:
I rooted the stock formware, no installed rom
Click to expand...
Click to collapse
So which firmware version is actually installed?
I actually forgot, is there a way to make sure of it
mhmab2000 said:
I actually forgot, is there a way to make sure of it
Click to expand...
Click to collapse
Settings --> About phone
To make it easier, SM-G900H has just been released for Kazakhstan, Panama, Uruguay, Argentinia or Trinidad + Tobago. So which one is your region?
None, i installed the 5.0 from pc
mhmab2000 said:
None, i installed the 5.0 from pc
Click to expand...
Click to collapse
So its NOT official?! May you post me the thread where to find the installed rom?
Oh, never knew that.
Here is the link http://www.ibtimes.co.uk/update-gal...lipop-g900hxxu1boa7-official-firmware-1486568
mhmab2000 said:
Oh, never knew that.
Here is the link http://www.ibtimes.co.uk/update-gal...lipop-g900hxxu1boa7-official-firmware-1486568
Click to expand...
Click to collapse
Android 5.0 Lollipop G900HXXU1BOA7 Firmware Details
Model: SM-G900H
Model name: GALAXY S5
Country: Kazakhstan
Version: Android 5.0
Changelist: 77433514
Build date: Tue, 20 Jan 2015 02:47:20 +0000
Product Code: SKZ
PDA: G900HXXU1BOA7
CSC: G900HOXY1BOA7
MODEM: G900HXXU1BOA7
IBTimes UK reminds readers that it will not be held liable for any damage to device during or after the Android 5.0 firmware installation. Users are advised to proceed at their own risk.
Which is the original region of your phone?
Middle east, iguess
mhmab2000 said:
Middle east, iguess
Click to expand...
Click to collapse
Thats not a valid region I suppose. Must be listed in HERE
I'm sorry but, how do i make sure of that
mhmab2000 said:
I'm sorry but, how do i make sure of that
Click to expand...
Click to collapse
You can't as you DELETED the original software. You had to check it before flashing a different firmware. May be its printed on the label of the original package of your phone. Isn't your country listed up ?
Nvm, i found out its kasakhstan (skz) :thumbup:
mhmab2000 said:
Nvm, i found out ots kasakhstan (skz) :thumbup:
Click to expand...
Click to collapse
That is ACTUALLY installed. Was the phone delivered with SKZ firmware?
My country is iraq (MiD) and it is listed but im not sure of the original stock code but iraq is my country and it is listed
mhmab2000 said:
My country is iraq (MiD) and it is listed but im not sure of the original stock code but iraq is my country and it is listed
Click to expand...
Click to collapse
So i would go for this.

G930FD - Dual SIM - VoLTE Support

Hi All,
I've seen many threads asking this question but doesn't answer it to my situation. I'm using this phone in Sri Lanka and my carrier recently launched VoLTE. I called up my carrier and got them to activate VoLTE for my SIM and so far I've not been able to make use of this.
The other threads talks about a setting either under Phone -> Settings or Settings -> Mobile Networks which is not there in my case.
Does this mean that the ROM/CSC that I have doesn't support VoLTE (I'm using the original ROM)?
Regards,
Asanka
In my S7 Dual Sim there is a Quick Toggle for VoLTE; Its there where you can turn on/off wifi, mobile data, bluetooth etc
VoLTE & VoWiFi working
Let's revive this thread.
I have a Galaxy S7 Duos (G930FD) which originally came with Kenya (AFR) firmware. After reading several threads, I replaced the firmware, using Odin, with the Indian (INS), but VoLTE still didn't show up. After verifing if the provider has enabled VoLTE on the SIM card in a Huawei P Smart an everything was functional (VoLTE and VoWiFi), making sure that the SIM card is in slot 1, I decided to re-write the Romanian open firmware (ROM).
And surprise ... Wi-Fi calling (under Connections) and 4G call (under Connections >> Mobile Networks ) are active and working.
Dear Nica,
I've been dying to get my S7 duos to work with volte and wifi calling features.
I've downloaded and installed over 20 different firmware versions and am unable to get it to work.
I can't locate Romanian firmware for 930fd model and was hoping that you can point me right direction please.
Would you please be able to help me?
Many thanks
Michal.
hewloau said:
I can't locate Romanian firmware for 930fd model and was hoping that you can point me right direction please.
Would you please be able to help me?
Click to expand...
Click to collapse
Michal, the G930F firmware works absolutely the same, you can flash it without reservations.
Here is the link for the latest Romanian firmware: https://www.sammobile.com/samsung/galaxy-s7/firmware/SM-G930F/ROM/download/G930FXXS6ESI4/295333/
Working on SM-G930FD with Mint Mobile USA
Hi there,
I thought that I would share my findings. I got volte working on G930FD. The setting comes up under Connections --> Mobile Networks --> VoLTE calls. I have tested it with calls and LTE Discovery app to make sure that I am not dropping back down to 3g/H+/etc... The calls are so much better for me. I am hard of hearing, so it really helped me. I will list how I did it below.
1. Download this firmware. https://www.sammobile.com/samsung/ga...S8ETC3/327944/
2. Use Odin v3.14.4 to flash BL, AP, CP, CSC ( I used CSC not HOME CSC)
3. Boot phone and enable developer mode (not sure if necessary, but this is the way I did it)
4. Reboot to download mode and flash TWRP (uncheck auto reboot)
5. Immediately after flash, reboot to recovery (Power, Volume down, Home to reboot, then Power, Volume up, Home to enter TWRP)
6. Swipe to allow modifications
7. Wipe--> Advanced Wipe --> Select Data --> Repair or Change File System --> Change File System --> EXT2 --> go back --> and then EXT 4 --> back all the way to main screen.
8. Install --> latest version of Magisk
9. Install --> CSCSelection_V3.0.0.zip https://forum.xda-developers.com/s7-...on-30-t3392957
10. Aroma --> Select XXA (Multi USA) --> Select XAA (Unbranded)
11. Reboot and wait to boot (Takes a few minutes)
12. Check in Connections --> Mobile Networks --> VoLTE Calls
That's it. Good luck!!
Oh yeah, Wifi calling is in the dialer app under settings, but I have had no luck with it, even though Mint Mobile supports it.

Rebrand to CN

Hi dears
This is Ali
Today I am going to show how to rebrand to cn variant.
At first you may think why should you rebrand to cn version:
1.faster updates for example oreo will come at first for china
2.more feature like hiding navigation bar or better control on rom and.....
3.All Kangvip roms at first is provided for cn vesions you can download from
Http://cn.club.huawei.com
And.....
So now instruction of installing:
1.download oeminfo of CN
2.extract it to your sd card or otg
3.flash my favorite twrp
4.go to twrp in restore part and after selecting storage restore oem info.
Notice: if didn't find oeminfo backup
Do a backup of your oeminfo then replace files with CN backup
4.select reboot system
5.will take you to eRECOVERY then select
Download latest and recovery
6.select a wifi network and download the rom
Notice: if you saw sth is not working well
Just plug in the cable to phone
Hold power and vol+ button to go to eRECOVERY then download it again
Also you can flash my CN STOCK ROM FLASHABLE BY TWRP:
https://forum.xda-developers.com/8-l...k-rom-t3735362
Now you have successfully rebranded to
PRA-AL00C00
Download links are in next post
Creadits: @dmilz For oeminfo of cn
Press thanks button if you like it or is useful
cn best rom:
https://mega.nz/#!8LZkWRiD!bjlZbAUFJ3THsBdQrKmd6CoWkOzG3FqvdUBCGKJSwvM
cn oeminfo pra-al00x
https://mega.nz/#!YLZFibpA!ayTg0XdiUfVLHyqeBQAqW3XSKiE1r9eZhI9rvFHfU2E
How to fix imei problem is some countries:
As you know this is CN variant so will make some network problems on some operators
First unlock your bootloader and root your phone.
Second by root explorer go to :
Cust/All/CN/prop
And open local.prop
And remove this line from that it is in multimedia part:
ro.config.full_network_support=true
Then do a reboot
Plz hit thanks button if you like it or is useful
Akam_bad said:
Hi dears
This is Ali
Today I am going to show how to rebrand to cn variant.
At first you may think why should you rebrand to cn version:
1.faster updates for example oreo will come at first for china
2.more feature like hiding navigation bar or better control on rom and.....
3.All Kangvip roms at first is provided for cn vesions you can download from
Http://cn.club.huawei.com
And.....
So now instruction of installing:
1.download oeminfo of CN
2.extract it to your sd card or otg
3.flash my favorite twrp
4.go to twrp in restore part and after selecting storage restore oem info.
Notice: if didn't find oeminfo backup
Do a backup of your oeminfo then replace files with CN backup
4.select reboot system
5.will take you to eRECOVERY then select
Download latest and recovery
6.select a wifi network and download the rom
Notice: if you saw sth is not working well
Just plug in the cable to phone
Hold power and vol+ button to go to eRECOVERY then download it again
Also you can flash my CN STOCK ROM FLASHABLE BY TWRP:
https://forum.xda-developers.com/8-lite/development/cn-stock-rom-t3735362
Now you have successfully rebranded to
PRA-AL00C00
Download links are in next post
Creadits: @dmilz For oeminfo of cn
Press thanks button if you like it or is useful
Click to expand...
Click to collapse
Can u share some screeen shots... What about apps lang.
liboct87 said:
Can u share some screeen shots... What about apps lang.
Click to expand...
Click to collapse
Hi bro that is like another stock roms
Just has a few chinese apps those can be uninstalled easily
I have edited rom a bit so now can't send screenshots
But just know
Has some more abilities and more compatible with kang roms
Means no bug
Akam_bad said:
Hi bro that is like another stock roms
Just has a few chinese apps those can be uninstalled easily
I have edited rom a bit so now can't send screenshots
But just know
Has some more abilities and more compatible with kang roms
Means no bug
Click to expand...
Click to collapse
Bro i just wana kn0w. does this ROM includes K-settings..
if m not wrong only hi app will be in Chinese & music player is different from international version.
Akam_bad said:
How to fix imei problem is some countries:
As you know this is CN variant so will make some network problems on some operators
First unlock your bootloader and root your phone.
Second by root explorer go to :
Cust/All/CN/prop
And open local.prop
And remove this line from that it is in multimedia part:
ro.config.full_network_support=true
Then do a reboot
Plz hit thanks button if you like it or is useful
Click to expand...
Click to collapse
No not including k settings
You are doing well bro..
Good thread to help others out...
You so much complicate easy steps. Why this ?
2.extract it to your sd card or otg
3.flash my favorite twrp
4.go to twrp in restore part and after selecting storage restore oem info.
Click to expand...
Click to collapse
My TWRP no read folder with oeminfo on SD card.
Is not it simpler repack oeminfo file in .zip file and install normal from "Install" menu...after change partition to ext4
This is oeminfo for Dual sim or not ?
Feelbg said:
You so much complicate easy steps. Why this ?
My TWRP no read folder with oeminfo on SD card.
Is not it simpler repack oeminfo file in .zip file and install normal from "Install" menu...after change partition to ext4
This is oeminfo for Dual sim or not ?
Click to expand...
Click to collapse
as I said before if didn't find backup
first get a backup from your oeminfo then replace the files
Axan said:
as I said before if didn't find backup
first get a backup from your oeminfo then replace the files
Click to expand...
Click to collapse
Yes i try...and I create folder(dload) and move CN system version here....
After restore(replaced OEMINFO) and press vol+, vol- and power erecovery start and on 5% get error "system install failed"...not compatible with current version and brick
Feelbg said:
Yes i try...and I create folder(dload) and move CN system version here....
After restore(replaced OEMINFO) and press vol+, vol- and power erecovery start and on 5% get error "system install failed"...not compatible with current version and brick
Click to expand...
Click to collapse
what are you doing bro
restore it by twrp
in twrp there is a part its name is restore
and for installing rom go to erecovery and press download latest and recovery will download and instal
Finally rebrand to CN, after 2x time download full OTA...first time in build number i get name "NTD90M test keys".
One big problems on Chinese PRA-AL00 is task manager. Working so much agressive. If clear apps in "recent apps" i no see notifications if no open again aplication.
I don't know how to fix this ?
Feelbg said:
Finally rebrand to CN, after 2x time download full OTA...first time in build number i get name "NTD90M test keys".
One big problems on Chinese PRA-AL00 is task manager. Working so much agressive. If clear apps in "recent apps" i no see notifications if no open again aplication.
I don't know how to fix this ?
Click to expand...
Click to collapse
this is a good ability for saving battery
you can add apps to stay awake in background in battery settings

			
				
updated
Axan said:
cn best rom:
https://mega.nz/#!8LZkWRiD!bjlZbAUFJ3THsBdQrKmd6CoWkOzG3FqvdUBCGKJSwvM
cn oeminfo pra-al00x
https://mega.nz/#!YLZFibpA!ayTg0XdiUfVLHyqeBQAqW3XSKiE1r9eZhI9rvFHfU2E
Click to expand...
Click to collapse
updated cn rom
plz use and enjoy
help me!
Hello, I'm new here. I recently bought the honor 8 lite PRA-AL00XC00 Chinese version and am having trouble syncing my apps and google account, so I would like to debrand the Chinese version to Indian version PRA-AL00XC675 but I did not find anywhere a tutorial for this , I also did not find the Indian rom or even the OEMINFO of this version. can you help me?
jeff84souza said:
Hello, I'm new here. I recently bought the honor 8 lite PRA-AL00XC00 Chinese version and am having trouble syncing my apps and google account, so I would like to debrand the Chinese version to Indian version PRA-AL00XC675 but I did not find anywhere a tutorial for this , I also did not find the Indian rom or even the OEMINFO of this version. can you help me?
Click to expand...
Click to collapse
Hi bro i have that
But i suggest rebrand to c185
Also i have uploaded its full twrp backup
Before everything make full backup
Axan said:
updated cn rom
plz use and enjoy
Click to expand...
Click to collapse
hi Axan ? will i tested your trick i do all the way in eRecovery and I installed the rom Chinese PRA-AL00. All work fine but i have a problem with the Build Number it says NDM-test.....
so i can't update also if i boot to do a factory reset it charge to 25% and say errors !!! why the rom don't install normally like the European model ?
Any Solution Axan ?
The Chinese model PRA-AL00 have a beta rom 8.0 in firmware finder i like to test ?
jalel25 said:
hi Axan ? will i tested your trick i do all the way in eRecovery and I installed the rom Chinese PRA-AL00. All work fine but i have a problem with the Build Number it says NDM-test.....
so i can't update also if i boot to do a factory reset it charge to 25% and say errors !!! why the rom don't install normally like the European model ?
Any Solution Axan ?
The Chinese model PRA-AL00 have a beta rom 8.0 in firmware finder i like to test ?
Click to expand...
Click to collapse
hi try again flashing rom by eRECOVERY will fix it
and also if you want to test oreo
this thread can help you
https://forum.xda-developers.com/p8.../guide-holy-emui8-treble-rom-pra-lx1-t3773216

Convert H990DS AME to AU and get VOLTE (Root)

Hi there,
First, my apologies for my English ( I am not English native speaker) anyhow,
Today I managed to change my LG V20 H990DS AME ( Middle east ) to AU (Australia).
And one of the bounces I got is VoLte icon (Still didn't confirm if it is actually working)
The procedure doesn't require to flash a new rom, all what you need to do is the following:
- go to the root and find the folder /CUST (Use any root explorer)
- Open "open_path_mapping.cfg" and "op_list.cfg"
- You will see AU and AME have unique values ( in my case 57 for AU and 71 for AME).
- in both files write AU value for AME and vice versa.
- do factory reset ( all AU APKs and frameworks will be installed automaticly instead of AME stuff).
- once your mobile opened, in initialization wizard, Australia will be the default country.
- You will find the VoLte in the hidden tiles.
I am still exploring new changes.
Wish you all the luck.
Regards...
Note:
- This is experimental procedure, do it on your own responsibility.
- You can backup all your apps and files using LG backup, and you can restore them once the procedure is done.
- Same procedure can be done to all LG V20 phones
Wouldn't it have been easier using KDZWriter?
This is only sn alternative way of doing it.
Moreover, KDZWriter didn't work in my case.
why do you need volte in middle east anyway ?
lg v20 h990ds here with latest gcc rom and mk2000 v1.5 kernel systemless root magisk xposed
sniper9911 said:
why do you need volte in middle east anyway ?
lg v20 h990ds here with latest gcc rom and mk2000 v.15 kernel systemless root magisk xposed
Click to expand...
Click to collapse
I don't understand the reason for this question, but the answer, because most of the mobile networks here support VoLTE.
H990DS for GCC doesn't support VoLTE.
yeah i know they support ... but what is the actual advantage ... i dont see it sorry
if you know what kind of applications for this volte service let me know
sniper9911 said:
yeah i know they support ... but what is the actual advantage ... i dont see it sorry
if you know what kind of applications for this volte service let me know
Click to expand...
Click to collapse
I assume that the OP is living in India, and an user of Reliance Jio. In case you don't know, that particular Indian carrier only has 4G bands, so if your phone doesn't support VoLTE, you won't be able to make calls at all on that carrier.....
Not without Jio's app I guess. But everyone seem to hate it.
phamanhvu01 said:
I assume that the OP is living in India, and an user of Reliance Jio. In case you don't know, that particular Indian carrier only has 4G bands, so if your phone doesn't support VoLTE, you won't be able to make calls at all on that carrier.....
Not without Jio's app I guess. But everyone seem to hate it.
Click to expand...
Click to collapse
wow ... why would they limit themselves for that band only .... thanks for the answer
sniper9911 said:
wow ... why would they limit themselves for that band only .... thanks for the answer
Click to expand...
Click to collapse
I dunno, cost-cutting I guess since Jio has some of the cheapest plan in Inida. You're welcome though.
Did it work for you?
T-Mobile US H990DS user here, I converted to ESA instead of AU and have not factory resetted (is it really necessary). I also edited my MCC and MNC into the config files for ESA and the icon does show up but IMS never connects.\
I posted further on this here:
https://forum.xda-developers.com/v20/development/enabling-ims-v20-h990ds-t3790486
p7810456 said:
Did it work for you?
T-Mobile US H990DS user here, I converted to ESA instead of AU and have not factory resetted (is it really necessary). I also edited my MCC and MNC into the config files for ESA and the icon does show up but IMS never connects.\
I posted further on this here:
https://forum.xda-developers.com/v20/development/enabling-ims-v20-h990ds-t3790486
Click to expand...
Click to collapse
Yes, it is required to do a factory resit, as e.g. some of AME apps are different than AU apps and those apps will be installed during first run after device format.
In your case the information only will be cganged, but not the apps as well.
MaZeNsMz said:
Yes, it is required to do a factory resit, as e.g. some of AME apps are different than AU apps and those apps will be installed during first run after device format.
In your case the information only will be cganged, but not the apps as well.
Click to expand...
Click to collapse
What partitions do I format and can I keep my internal storage if not my apps?
p7810456 said:
What partitions do I format and can I keep my internal storage if not my apps?
Click to expand...
Click to collapse
TO be hones I am not sure, please check yourself if formatting "Storage" partition is the one. Of course all your data will be deleted. So, in all cases back up all partitions using TWRIP and move your data to external io external flash before proceeding.
You may also use LG backup, to back up all apps and their data, so after formatting "Storage" you will be able to restore all apps and their data.
Please do a little search about this procedure.
Regards...
MaZeNsMz said:
Hi there,
First, my apologies for my English ( I am not English native speaker) anyhow,
Today I managed to change my LG V20 H990DS AME ( Middle east ) to AU (Australia).
And one of the bounces I got is VoLte icon (Still didn't confirm if it is actually working)
The procedure doesn't require to flash a new rom, all what you need to do is the following:
- go to the root and find the folder /CUST (Use any root explorer)
- Open "open_path_mapping.cfg" and "op_list.cfg"
- You will see AU and AME have unique values ( in my case 57 for AU and 71 for AME).
- in both files write AU value for AME and vice versa.
- do factory reset ( all AU APKs and frameworks will be installed automaticly instead of AME stuff).
- once your mobile opened, in initialization wizard, Australia will be the default country.
- You will find the VoLte in the hidden tiles.
I am still exploring new changes.
Wish you all the luck.
Regards...
Note:
- This is experimental procedure, do it on your own responsibility.
- You can backup all your apps and files using LG backup, and you can restore them once the procedure is done.
- Same procedure can be done to all LG V20 phones
Click to expand...
Click to collapse
Were you able to connect ?
p7810456 said:
Did it work for you?
T-Mobile US H990DS user here, I converted to ESA instead of AU and have not factory resetted (is it really necessary). I also edited my MCC and MNC into the config files for ESA and the icon does show up but IMS never connects.\
I posted further on this here:
https://forum.xda-developers.com/v20/development/enabling-ims-v20-h990ds-t3790486
Click to expand...
Click to collapse
nkirk said:
Were you able to connect ?
Click to expand...
Click to collapse
Connect to what ?!
MaZeNsMz said:
Connect to what ?!
Click to expand...
Click to collapse
Volte and make calls?
nkirk said:
Volte and make calls?
Click to expand...
Click to collapse
My cell number is from "Zain", in Zain they allow Wifi calling and VoLte for Iphones only. So I didn't test that.
MaZeNsMz said:
My cell number is from "Zain", in Zain they allow Wifi calling and VoLte for Iphones only. So I didn't test that.
Click to expand...
Click to collapse
Ok. Are you able to see the options in the call setting to enable advanced calling /Volte?
VoLte is not there, I found it only in the main sliding menu in the main screen.
https://ibb.co/jx6rFo
Ok. Sometime back I also managed to enable the hidden menu options (ims)with lots of XML edits in cust folder and a factory reset. But volte never connected. Also the options were not visible in call settings menu. I had to stop testing as this was my main device. Need to test more but the factory rest is keeping me from doing it.
Would you know any region which has VOLTE enabled by default for global carriers? I could try flashing the cus partition and see. Mine is sea. Only has official VOLTE enabled for SG and TW carriers.

Question Cross-Flashing Mi 11 Ultra (Snapdragon 888) - Lahaina Modem Image to ROG for more carriers compatibility ??

Hey Guys,
So along with my struggle of loading MBN files, I eventually used a Xiaomi Mi 11 Ultra (Global Edition) for a few days. This is another device that runs on the Same Snapdragon 888 SOC, and has the exact same Modem (Codename Lahaina). On the Mi 11 Ultra, Both my carriers have 5G / VoLTE working perfectly fine and had no issues whatsoever.
I opened up both the modem.img files (Can be viewed with 7Zip) and even the file structure is identical including the codenames, with the difference Xiaomi modem having more MBN files for many more carriers (I posted the MBN file extracted over here), (including the two MBN files my carriers use). On the other hand ASUS Modem.img has a very limited number of MBN files, which looks like they haven't updated it since the summer of 1969.
This is the Xiaomi Mi 11 Ultra Modem.img
File on MEGA
mega.nz
This is the ZS673KS (ROG 5) Modem.img
File on MEGA
mega.nz
Since there is no way to upload MBN files to the ROG 5 - Does anyone know whether we can fastboot flash the Modem image ?
Edl try
Akkaya34 said:
Edl try
Click to expand...
Click to collapse
Modem can be flashed over Fastboot.
Not required EDL.
But need to verify whether this has any risks. Only the chip (SOC) brand is same, but internally there might be other differences, and the image sizes are not the same either. So worried of hard brick.
BLOB images have the same code but very different interface to the kernel in most cases, so it's not likely anything will work
yurishouse said:
BLOB images have the same code but very different interface to the kernel in most cases, so it's not likely anything will work
Click to expand...
Click to collapse
Thanks a lot of the headsup !
Would the idea work better with rog 5 u.s modem blob?
Heero0101 said:
Would the idea work better with rog 5 u.s modem blob?
Click to expand...
Click to collapse
US version might have hardware differences .. So im not really sure.
Confirmed not working, restored partitions previously backed up for next surgical op.
katalinscrob said:
Confirmed not working, restored partitions previously backed up for next surgical op.
Click to expand...
Click to collapse
Thanks a lot for trying! Much appreciated!!
No pb! The main issue now that I have volte working along real 5G on both sim slots, is vowifi... PDC was the ideal method, but if sysprop vendor.usb.diag 1 command triggers correct diag mode, then for sure is another issue here, A11 related I guess...
katalinscrob said:
No pb! The main issue now that I have volte working along real 5G on both sim slots, is vowifi... PDC was the ideal method, but if sysprop vendor.usb.diag 1 command triggers correct diag mode, then for sure is another issue here, A11 related I guess...
Click to expand...
Click to collapse
How did you get VoLTE working?
Did you have the MBN inside already?
PDC is sadly blocked in A11 OS mode. However OnePlus Users They have a FTM mode - Which allows Efs tools / PDC to communicate. Hopefully something should come around for Asus.
You need root first of all.
There are 2 ways for permanent volte/vowifi toggle menus:
1. *#*#4636#*#*, set preffered network type NR/LTE, then back to original.
2. Magisk module Pixel5_VoWIFI.VoLTE_magisk_module_V1-MINI.zip (search github)
After this, via EfsTools method just copy to NV your carrier mbn from attached folder, reboot. Tried all of them until found compatible one from my carrier but no VoWIFI sadly.
katalinscrob said:
After this, via EfsTools method just copy to NV your carrier mbn from attached folder, reboot. Tried all of them until found compatible one from my carrier but no VoWIFI sadly.
Click to expand...
Click to collapse
Which thread did you follow?
I had a problem with my device not connecting via WIFI.
Full support 5G+VoLTE+VoWIFI:
1. Flash last A11 firmware WW-18.0840.2201.229 and root it.
2. Through QPST and AsusVOLTE apk, connect via wifi /same IP option ( I used IPV4+IPV6).
3. Download and unrar attached EfsTools, which contains the mcfg.mbn** and load it to NV.
4. Flash A12 firmware WW-31.0810.1226.57.
5. Root again, install voenabler*** module in magisk, restart.
**A11 banner mbn in .rar is for GermanyVodafone.
*** voenabler or any other method you agree with for enabling 4G/VOWIFI menus in settings.
In A12 banner is HW_DEFAULT instead any previous A11 carrier specific mbn, which means that ASUS finally resolved this problem for good.
Later edit: will try to extract and upload modem.img already modded for easy fix this entire stupid issue which Asus could have been more responsive to buyer's needs ...
Enjoy!
Since after .77 update lost again volte and vowifi, so disapointed... Respawned .mbn and voila, back in time with only volte capability, no vowifi.
Because I don't want to get through previous posted procedure, as I would be stuck in .57 basically, I found an alternative solution that could offer updates advantages and minimum-hassle procedure for regaining volte/vowifi, which basically is copying working mbn unpacked files to efs partition via efsExplorer in QPST. I tried mbn from an identical X60 qualcomm/lahaina chipset (found on xiaomi12t) and volte/vowifi working again, but no 5G this time. Anyway, is a matter of pacience and time for testing.
Another solution would be modifying modem.img extracted from Asus payload.bin but I didn't found an easy way to unpack/repack, only managed to open it through 7zip and get some resources. If you can find a solution to this, I think this would be the most elegant way for us to have all modem's capabilities activated, by simply restore modified-modem.img after every update.
And yes, tried AIK, various .img unpackers etc...

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