[q] need help with no service and no mobile network available - Nexus 5 Q&A, Help & Troubleshooting

I have no service and no cellular network problem on my N5, running dark rom 7.1.2 aosp, with franco kernel ( never had issues before ), newest radio and bootloader. This started happening when i got my new sim card from my provider and i got 4g signal in my area for the first time. I tried manually selecting radio by going in the hidden menu by entering *#*#4636#*#* and i got lte and full bars signal after selecting band 8 ( 1800 hz ) but only for a minute then it went back to empty triangle. Tried selecting 3g only in preffered network, tried manually selecting provider, tried toggling airplane mode on/off a bunch of times nothing works. Any suggestion would be highly appreciated, i love my N5 very much and i would hate to throw it in a drawer somewhere. Thanks in advance

Flash back to a stock ROM and test it worth your new new.
Does the sim work in another phone?

audit13 said:
Flash back to a stock ROM and test it worth your new new.
Does the sim work in another phone?
Click to expand...
Click to collapse
Yes the sim is working fine on any other phone. I will try gping back to stock thanks

EmilChurle23 said:
Yes the sim is working fine on any other phone. I will try gping back to stock thanks
Click to expand...
Click to collapse
Were you ever able to get this rectified? I have recently been having this problem as well. I have flashed back to ROMs I was previously using and flashed back to stock to no avail. My SIM card works in other devices as well. I really do not want to have to drop on a new phone, but I have tried every solution I have found online to no avail. I think it's fair to say that I am desperate right now.
edit: I found another thread on XDA that I'm looking into, I'll edit again if it works. I'm unsure how it took me so long to find that thread.
edit2: https://forum.xda-developers.com/go...getting-cdma-networks-to-nougat-roms-t3534679 is the thread that I found useful; I am now running Pure Nexus 7.1.2 with a full connection. Specifically, his second comment about installing 6.0.1 stock, backing up the efs, flashing the desired ROM, then restoring the efs is what ended up fixing it for me.

iamxaq said:
Were you ever able to get this rectified? I have recently been having this problem as well. I have flashed back to ROMs I was previously using and flashed back to stock to no avail. My SIM card works in other devices as well. I really do not want to have to drop on a new phone, but I have tried every solution I have found online to no avail. I think it's fair to say that I am desperate right now.
edit: I found another thread on XDA that I'm looking into, I'll edit again if it works. I'm unsure how it took me so long to find that thread.
edit2: https://forum.xda-developers.com/go...getting-cdma-networks-to-nougat-roms-t3534679 is the thread that I found useful; I am now running Pure Nexus 7.1.2 with a full connection. Specifically, his second comment about installing 6.0.1 stock, backing up the efs, flashing the desired ROM, then restoring the efs is what ended up fixing it for me.
Click to expand...
Click to collapse
Gonna try this fix now and I'll edit the result thanks for some hope

EmilChurle23 said:
Gonna try this fix now and I'll edit the result thanks for some hope
Click to expand...
Click to collapse
This morning it's not sticking with Pure Nexus, so I'll be trying DarkRom. I really don't want to use a CAF if I can avoid it, but it may become a necessity. Do people on T-Mobile have this problem?

iamxaq said:
This morning it's not sticking with Pure Nexus, so I'll be trying DarkRom. I really don't want to use a CAF if I can avoid it, but it may become a necessity. Do people on T-Mobile have this problem?
Click to expand...
Click to collapse
I wil try aosp by santosh m and see if it sticks

EmilChurle23 said:
I wil try aosp by santosh m and see if it sticks
Click to expand...
Click to collapse
So I've hit a point where I have 3G and nothing else. I can't yet get LTE to work. I'm using LineageOS CAF. How about yourself?

iamxaq said:
So I've hit a point where I have 3G and nothing else. I can't yet get LTE to work. I'm using LineageOS CAF. How about yourself?
Click to expand...
Click to collapse
No luck with aosp by santosh m and pure nexus 7.1.2 , can't even get it to connect. I guess my last hope is caf based i will try lineageos caf. All i need is the efs backup from stock? If i can get it to work with 3g i will be satisfied because i did some digging and found out that my network provider which is Vip MK has no lte support for nexus 5 d820 ( my model ) only 3g, but i can't even connect with 3g selected. I guess because this one is for US frequencies it will not work whatever i try but i will give lineageos caf a chance.

EmilChurle23 said:
No luck with aosp by santosh m and pure nexus 7.1.2 , can't even get it to connect. I guess my last hope is caf based i will try lineageos caf. All i need is the efs backup from stock? If i can get it to work with 3g i will be satisfied because i did some digging and found out that my network provider which is Vip MK has no lte support for nexus 5 d820 ( my model ) only 3g, but i can't even connect with 3g selected. I guess because this one is for US frequencies it will not work whatever i try but i will give lineageos caf a chance.
Click to expand...
Click to collapse
I was able to get 3G only to work on my Nexus 5 by reflashing the EFS from 6.0.1; I'm trying right now to see if I can install PureNexus 6.0.1 then dirty flash to PureNexus 7.1.2 with any success. Also, I might just switch to T-Mobile, but I have to wait until later this week for that.

Hi,
LTE band 8 is not in 1800 MHz but first of all you can check your N5 model - US model is D820 and is not supported for LTE on 1800 MHz (band 3). For 1800 Mhz band you need D821 model.
Regards,

iamxaq said:
Were you ever able to get this rectified? I have recently been having this problem as well. I have flashed back to ROMs I was previously using and flashed back to stock to no avail. My SIM card works in other devices as well. I really do not want to have to drop on a new phone, but I have tried every solution I have found online to no avail. I think it's fair to say that I am desperate right now.
edit: I found another thread on XDA that I'm looking into, I'll edit again if it works. I'm unsure how it took me so long to find that thread.
edit2: https://forum.xda-developers.com/go...getting-cdma-networks-to-nougat-roms-t3534679 is the thread that I found useful; I am now running Pure Nexus 7.1.2 with a full connection. Specifically, his second comment about installing 6.0.1 stock, backing up the efs, flashing the desired ROM, then restoring the efs is what ended up fixing it for me.
Click to expand...
Click to collapse
To clarify that:
You had the problem with not recognizing the sim or having no service at all. And you solved this by flashing the sstock 6.0.1 backing up the efs, flashing to Pure Nexus 7.1.2 and restoring the efs immediatley after flashing the rom (+kernel+root+etc)?
This solves this mysterious no sim/no service bug, which many (?) N5 owners experience? If this is true, I'd be really happy

Iced-Earth said:
To clarify that:
You had the problem with not recognizing the sim or having no service at all. And you solved this by flashing the sstock 6.0.1 backing up the efs, flashing to Pure Nexus 7.1.2 and restoring the efs immediatley after flashing the rom (+kernel+root+etc)?
This solves this mysterious no sim/no service bug, which many (?) N5 owners experience? If this is true, I'd be really happy
Click to expand...
Click to collapse
It didn't stick. After I lost it I was unable to get it back. I gave up and switched to T-Mobile, where it is no longer a problem. Apologies for not having more testing information. I was able to get solely 3G on multiple instances, but getting the elusive 4G was beyond me.

I've had this problem before in two nexus, one of them running latest stock and the other a customized ROM. I tried to flash a stock ROM image in both of them with no luck. I was pretty sure that the image I was flashing was the latest, so the radio & bootloader should be flashed to the latest versions. But it didn't worked.
Finally I found on a XDA thread where someone was posting only the latest bootloader & radio to flash. I did it with NRT (in Advanced Utilities) and it worked:
View attachment 4196236
I can't remember or find the thread, so I post the images here:
- Bootloader-hammerhead-hhz20h.img
- Radio-hammerhead-m8974a-2.0.50.2.30.img
I think I had to flash them twice because the first time it wasn't right, but there were 4 months since then and still no failure

ochoceros said:
I've had this problem before in two nexus, one of them running latest stock and the other a customized ROM. I tried to flash a stock ROM image in both of them with no luck. I was pretty sure that the image I was flashing was the latest, so the radio & bootloader should be flashed to the latest versions. But it didn't worked.
Finally I found on a XDA thread where someone was posting only the latest bootloader & radio to flash. I did it with NRT (in Advanced Utilities) and it worked:
View attachment 4196236
I can't remember or find the thread, so I post the images here:
- Bootloader-hammerhead-hhz20h.img
- Radio-hammerhead-m8974a-2.0.50.2.30.img
I think I had to flash them twice because the first time it wasn't right, but there were 4 months since then and still no failure
Click to expand...
Click to collapse
Thanks for your input. I'll check that when I have some time. This is really weird as it looks like a hardware problem but if you can fix it with this method it's clearly a software issue...
best regards

Related

Solved Razr Maxx HD xt926 no network connectivity on costum firmware

Hello dear community,
I recently bought the Motorola Razr Maxx HD for use in germany as I live there and the handset is not available there.
Before buying the phone I made sure it was global ready. On stock rom 4.1.2 I had no issues getting a data connection, all I had to do was edit the APN manually. Happy that it worked I continued messing with my new phone by rooting, unlocking and flashing a costum firmware on the phone.
I tried Carbon rom nightly 27/07/2013 and a port of Vanilla RootBox, sadly both did not want to connect to my carrier after editing APN settings.
What did I forget to do?
Thanks in advance
Edit:
Solved the "issue" for me. Just flashed a xt925 cfw and there we go, network connectivity
A better solution is to flash a x926 rom and to remove/outline this part in the build.prop:
telephony.rilV7NeedCDMALTEPhone=true
Reboot and gsm/umts works.
iceeyes91 said:
Hello dear community,
I recently bought the Motorola Razr Maxx HD for use in germany as I live there and the handset is not available there.
Before buying the phone I made sure it was global ready. On stock rom 4.1.2 I had no issues getting a data connection, all I had to do was edit the APN manually. Happy that it worked I continued messing with my new phone by rooting, unlocking and flashing a costum firmware on the phone.
I tried Carbon rom nightly 27/07/2013 and a port of Vanilla RootBox, sadly both did not want to connect to my carrier after editing APN settings.
What did I forget to do?
Thanks in advance
Edit:
Solved the "issue" for me. Just flashed a xt925 cfw and there we go, network connectivity
Click to expand...
Click to collapse
One sure way to bork your radio is to mess with the band with a phone info app or *#*#4636#*#*. I am sure there other ways to do the same thing. Only fix is a full restore to stock.
aviwdoowks said:
One sure way to bork your radio is to mess with the band with a phone info app or *#*#4636#*#*. I am sure there other ways to do the same thing. Only fix is a full restore to stock.
Click to expand...
Click to collapse
I tried that and set the device to gsm only (and other) but there was no receiption nor would the phone recognize my sim card anymore.
The strangest thing was that the network settings kept crashing if I wanted to open them.
I googled a lot, searched in different forums but never found a solution. Then I read somewhere that someone flashed the gsm rom of his phone on his CDMA version and it worked and I thought well what could possibly go wrong as I have a more than one nadroid backup .
iceeyes91 said:
I tried that and set the device to gsm only (and other) but there was no receiption nor would the phone recognize my sim card anymore.
The strangest thing was that the network settings kept crashing if I wanted to open them.
I googled a lot, searched in different forums but never found a solution. Then I read somewhere that someone flashed the gsm rom of his phone on his CDMA version and it worked and I thought well what could possibly go wrong as I have a more than one nadroid backup .
Click to expand...
Click to collapse
No, a nandroid will not fix it. Something gets wrong that the restore cannot fix.
What is a : xt925 cfw? A full restore?
aviwdoowks said:
No, a nandroid will not fix it. Something gets wrong that the restore cannot fix.
What is a : xt925 cfw? A full restore?
Click to expand...
Click to collapse
No, with xt925 cfw I meant a rom like Cm 10.1 for the international model.
I too reverted back to a Rage HD 2.0 backup, as there are quite some sound issues with 4.2.2 roms and so far I have no problems with radio.
xt926
iceeyes91 said:
Hello dear community,
I recently bought the Motorola Razr Maxx HD for use in germany as I live there and the handset is not available there.
Before buying the phone I made sure it was global ready. On stock rom 4.1.2 I had no issues getting a data connection, all I had to do was edit the APN manually. Happy that it worked I continued messing with my new phone by rooting, unlocking and flashing a costum firmware on the phone.
I tried Carbon rom nightly 27/07/2013 and a port of Vanilla RootBox, sadly both did not want to connect to my carrier after editing APN settings.
What did I forget to do?
Thanks in advance
Edit:
Solved the "issue" for me. Just flashed a xt925 cfw and there we go, network connectivity
A better solution is to flash a x926 rom and to remove/outline this part in the build.prop:
telephony.rilV7NeedCDMALTEPhone=true
Reboot and gsm/umts works.
Click to expand...
Click to collapse
must flash via stock rom
i hope your problem solve must reflash mobile this file
VZW_XT926_4.4.2-KDA20.62-15.1_CFC_1FF.xml

[Q] Nexus 5 Massive Network Issues - Common?

Hi all, I aren't a new user but have attached my Google account on this log in so....meh.
I understand that from update 4.4.3 and upwards many N5 users experience loss of their mobile network where switching to aeroplane mode then back again is the only way to rectify this? I was fine until I recently swapped to Virgin (UK) which uses the EE network, ever since this my calls go straight to voicemail unless I manually select the provider myself.
I was having a whale of a time with CM11 and only found out this issue after tearing my hair out for a couple of weeks but it is something I cannot have because I need my phone to be available *always* due to issues with my mum. So what I have now done is backdated my system to 4.4.2 which seems to have worked *but* I now get the system update notifications which I have dealt with but I now seem to have messed up the Play Store
Is there any one solution for this problem where I can have everything actually working as it should? 4.4.2 stock seems to run a lot better and seems a lot quicker in all honesty, quicker than even CM11 than is the gods honest truth.
Please help I dearly love this phone and need it to work for personal reasons and I aren't in a position to buy another right now (quit joib to look after mum etc) have I tugged at your heart strings enough yet?
Flash 4.4.4 but flash the 4.4.2 radio then?
On my carrier in Australia, I've never had a single drop issue, on all versions of the radio.
I live in Ohio and my connection is awesome with ATT. The only problem I have with network is my house and church. Lol Everywhere else like work is awesome. I think the network you choose is the major player in this. The phone itself is great on network.
Lethargy said:
Flash 4.4.4 but flash the 4.4.2 radio then?
On my carrier in Australia, I've never had a single drop issue, on all versions of the radio.
Click to expand...
Click to collapse
I tried a search for this but it was a confusing minefield for a novice like me. I dont suppose you have any pointers as to where and how I get to do the 4.4.2 radio fix do you please?
tremlar said:
I tried a search for this but it was a confusing minefield for a novice like me. I dont suppose you have any pointers as to where and how I get to do the 4.4.2 radio fix do you please?
Click to expand...
Click to collapse
Factory images. Then use fastboot to flash it while in bootloader. Link to tutorials are in the first link of my signature.
Lethargy said:
Factory images. Then use fastboot to flash it while in bootloader. Link to tutorials are in the first link of my signature.
Click to expand...
Click to collapse
To 100 % prove it to myself I did the stock system updates, first to 4.4.3 then to 4.4.4 straight after I rang myself from a landline and it went immediately to voicemail. I then tried to install Cyanfox and that fails on the set up wizard as did liquid
linaro, both using the correct gapps and several versions.
So my next try is an older CM M3 iirc because I think doing the radio thing is a bit beyond my skills Lethargy
tremlar said:
To 100 % prove it to myself I did the stock system updates, first to 4.4.3 then to 4.4.4 straight after I rang myself from a landline and it went immediately to voicemail. I then tried to install Cyanfox and that fails on the set up wizard as did liquid
linaro, both using the correct gapps and several versions.
So my next try is an older CM M3 iirc because I think doing the radio thing is a bit beyond my skills Lethargy
Click to expand...
Click to collapse
theres an easier solution than that...! grab a baseband/radio here http://forum.xda-developers.com/goo...t/modem-nexus-5-flashable-modems-efs-t2514095 download the zip file to your phone then flash it in your custom recovery. it takes seconds and can flash as many radios as you like until you find the perfect one for you
simms22 said:
theres an easier solution than that...! grab a baseband/radio here http://forum.xda-developers.com/goo...t/modem-nexus-5-flashable-modems-efs-t2514095 download the zip file to your phone then flash it in your custom recovery. it takes seconds and can flash as many radios as you like until you find the perfect one for you
Click to expand...
Click to collapse
simms22 you may just be the sexiest person alive, just updating cm then I shall give this a try.
Will report back, appreciated massively so far guys.
Edit - well, it seems to of worked, I am getting some weird google log in errors but I aren't sure if that is related. Letting it download the apps etc then will mess some more tomorrow but the phone definitely rang and didn't go to voicemail. simms 22 you are a gem, thank you very much.

[Q] D850 but now on T-mobile how hard is it to get CM11/12

As the title says, I am on T-mobile now with my D850. My phone is currently unlocked and rooted using stock rom.
the last phone i flashed a custom rom was with my htc one x and frankly i forgotten all the little details and never bothered because it took a lot of time. i know i need bootloader unlocked to install a custom recovery to flash the rom then back up, install gapps, etc etc. I don't have time or the patience to relearn everything.
I got interested in learning that CM11 is available and i checked out the CM website and was surprised to hear all i have to do is install the installer on both my phone and PC and boom, everything else is automated. This is what i want to try. Here are my questions:
- do i have to manually install any apn, radio, etc. things of that nature to get the proper t-mobile network signal for voice, LTE data, and text messaging?
- is an official D850 released so that once i install, i can simply keep up to date into CM12 via automatic updates through the software? (one click update OTA)
- do i need to make a titanium back up or will all my apps and settings stay when i flash CM?
I appreciate any and all answers. I have not unlocked bootloader via bump yet. but my main worry is will i have to custom install/input all the t-mobile apn and radios because that will require me to manually find and install and risk messing things up.
chillsen said:
As the title says, I am on T-mobile now with my D850. My phone is currently unlocked and rooted using stock rom.
the last phone i flashed a custom rom was with my htc one x and frankly i forgotten all the little details and never bothered because it took a lot of time. i know i need bootloader unlocked to install a custom recovery to flash the rom then back up, install gapps, etc etc. I don't have time or the patience to relearn everything.
I got interested in learning that CM11 is available and i checked out the CM website and was surprised to hear all i have to do is install the installer on both my phone and PC and boom, everything else is automated. This is what i want to try. Here are my questions:
- do i have to manually install any apn, radio, etc. things of that nature to get the proper t-mobile network signal for voice, LTE data, and text messaging?
- is an official D850 released so that once i install, i can simply keep up to date into CM12 via automatic updates through the software? (one click update OTA)
- do i need to make a titanium back up or will all my apps and settings stay when i flash CM?
I appreciate any and all answers. I have not unlocked bootloader via bump yet. but my main worry is will i have to custom install/input all the t-mobile apn and radios because that will require me to manually find and install and risk messing things up.
Click to expand...
Click to collapse
You just need to install Bump! And a backup is recommended in case something goes wrong, as far as connecting to tmobile all you need is the APN, i have a D850 and i live in mexico and CM11 and 12 work fine with just the apn, also everything will get wiped except for pics and music if you dont wipe internal storage
SmokeyTech1 said:
You just need to install Bump! And a backup is recommended in case something goes wrong, as far as connecting to tmobile all you need is the APN, i have a D850 and i live in mexico and CM11 and 12 work fine with just the apn, also everything will get wiped except for pics and music if you dont wipe internal storage
Click to expand...
Click to collapse
errr i am not comfortable with adb to install bump! would the automated installer on pc and phone do all this for me? i guess i can try? i just love how CM installer does everything for you. also thanks for confirming all i need to do is input the APN which i'm familiar with when i had switched to t-mobile after i had unlocked my phone. lastly will i have to install gapps separately? Thank you so much, i wish i didn't have to use adb to bump!
chillsen said:
errr i am not comfortable with adb to install bump! would the automated installer on pc and phone do all this for me? i guess i can try? i just love how CM installer does everything for you. also thanks for confirming all i need to do is input the APN which i'm familiar with when i had switched to t-mobile after i had unlocked my phone. lastly will i have to install gapps separately? Thank you so much, i wish i didn't have to use adb to bump!
Click to expand...
Click to collapse
Dont need to use adb, just download flashify from the play store, does it all by itself, very easy, the automated installer is just for the rom, you need a recovery first, the gapps should be installed at the same time as the rom, but ive never used the auto installer, i would flash it with the recovery, i like to things manually
Just to let you know that with every AOSP ROM with a T-Mobile Sim you will get a kernel panic if using LTE. I have the D850 but using a T-Mobile Sim. I have to have it on 3g instead of LTE. No ones been able to figure it out I'm guessing because there is only one or two of us using a T-Mobile Sim with this phone. Bummer huh
???CAUTION???
May ruin other ROMS after this
because nothing compares
coletague said:
Just to let you know that with every AOSP ROM with a T-Mobile Sim you will get a kernel panic if using LTE. I have the D850 but using a T-Mobile Sim. I have to have it on 3g instead of LTE. No ones been able to figure it out I'm guessing because there is only one or two of us using a T-Mobile Sim with this phone. Bummer huh
???CAUTION???
May ruin other ROMS after this
because nothing compares
Click to expand...
Click to collapse
Well then have you thought of changing carriers? It is a d850 for Att ..... Does it kernel panic on stock Roms ? You might just be **** out of luck cause I'm pretty sure everyone here uses Att. I use straight talk with no issues. You have slim choices..... Change carriers. .... Quit using T-Mobile if you are unhappy with the custom ROM and LTE kernel panics. Or buy a T-Mobile g3..... Lol suck eh... But just telling you what you need to hear.
Or maybe if you are ballsy try to see if a Dev for T-Mobile can help you with this cause I'm thinking that may be your beat bet cause none of us use T-Mobile. :thumbup::beer:
2SHAYNEZ
It's fine with stock based ROM s which I'd rather be on AOSP with HSPA
???CAUTION???
May ruin other ROMS after this
because nothing compares
coletague said:
It's fine with stock based ROM s which I'd rather be on AOSP with HSPA
???CAUTION???
May ruin other ROMS after this
because nothing compares
Click to expand...
Click to collapse
Maybe it will iron itself out after a while. Good luck
2SHAYNEZ
Do you have a beef with him or what?
4ndroid4Life said:
Do you have a beef with him or what?
Click to expand...
Click to collapse
You chose to say this for your first post on XDA ....... Wow...
2SHAYNEZ
coletague said:
Just to let you know that with every AOSP ROM with a T-Mobile Sim you will get a kernel panic if using LTE. I have the D850 but using a T-Mobile Sim. I have to have it on 3g instead of LTE. No ones been able to figure it out I'm guessing because there is only one or two of us using a T-Mobile Sim with this phone. Bummer huh
Click to expand...
Click to collapse
interesting note, will update you, LTE seems to be working fine, speeds are fine, but i need to use LTE longer to see the kernel problem. I'm on the CM 11, dec 6 nightly currently. how about you?
Latest nightly of cm12. Try downloading a ROM over LTE
???CAUTION???
May ruin other ROMS after this
because nothing compares
It's always recommended to use WiFi to download any Roms anyways ..... Do you have a crap ton if data or something ...
2SHAYNEZ
I don't have Internet.
I have literally unlimited data. My phone was free and my service is free
coletague said:
I don't have Internet.
I have literally unlimited data. My phone was free and my service is free
Click to expand...
Click to collapse
That's crazy... You must work for tmo
2SHAYNEZ
Is it now understandable why I use T-Mobile? Lol
???CAUTION???
May ruin other ROMS after this
because nothing compares
coletague said:
Is it now understandable why I use T-Mobile? Lol
???CAUTION???
May ruin other ROMS after this
because nothing compares
Click to expand...
Click to collapse
Oh yeah absolutely... Hook me up jeez.... Straight tall is good and all but unlimited unthrottled just isn't fair lol. Jeeez
2SHAYNEZ
Ha I can only have two Sims the way I do and that one is occupied. Fix my kernel panics lol I'll give you a last kmsg
???CAUTION???
May ruin other ROMS after this
because nothing compares

My One won't reconnect to network after it looses signal

Hi there,
Everything was working just fine, but since I switched to a new carrier I can't get the network back as soon as my OP looses it (subway for example). I have 4G as my favorite internet mode and my APNs are good.
Only a full reboot fixes it, not even a soft one. What can I do?
I use the lastest CM 12.1 S rom (YOG4PAS3JL)
Maybe I should try to flash Oxygen's modem? http://forum.xda-developers.com/one...dio-updated-modem-radio-files-oxygen-t3072516
It seems many users are affected by the problem but I didn't find a real solution, hence my post.
Thank you!
After a long investigation, it seems that the OPO is having trouble switching for and from 4G. I solved it using 3G as my preferred network, but I'd have loved using 4G
reinstall the system... u can google fastboot images for opo... flash them through CMD
I've tried 3 ROMS and at least 4 modems so I think I've tried eveything that's available atm
I have had the same problem for some time now. But no reliable solutions found. Have tried various versions of ROM and Radio. Currently using 44S and CM 12.1 S (YOG4PAS3JL).
Lamner said:
Hi there,
Everything was working just fine, but since I switched to a new carrier I can't get the network back as soon as my OP looses it (subway for example). I have 4G as my favorite internet mode and my APNs are good.
Only a full reboot fixes it, not even a soft one. What can I do?
I use the lastest CM 12.1 S rom (YOG4PAS3JL)
Maybe I should try to flash Oxygen's modem? http://forum.xda-developers.com/one...dio-updated-modem-radio-files-oxygen-t3072516
It seems many users are affected by the problem but I didn't find a real solution, hence my post.
Thank you!
Click to expand...
Click to collapse
kingalpha said:
I have had the same problem for some time now. But no reliable solutions found. Have tried various versions of ROM and Radio. Currently using 44S and CM 12.1 S (YOG4PAS3JL).
Click to expand...
Click to collapse
For how long have you been using that? Did that fix the problem?
This is very annoying!!!!
xupi said:
For how long have you been using that? Did that fix the problem?
This is very annoying!!!!
Click to expand...
Click to collapse
Didn't fix the problem. Finally reverted back to Oxygen OS. Complete reinstall, including bootloader, storage, everything. Got it done at OPO service centre. Much better reception now.

[HELP] Baseband doesn't work more

Hi mates, I got the phone from a discount shop, it was flashed with a LL 5.0 version.. after flashing some experiments with unsucessful baseband I 've found the solution. Pit the file and install the latest MM QD1 stock.. then I installed TWRP and flashed ResurrectionRemix 5.8.5 for G900P spr of 29/9/17..
the phone worked correctly since today, then it recognizes the simcard but no netwok signal. Three days ago I updated to the latest RR, which doesn't more report thwe spr version.. they ask use now KLTEDV, I suppose it created the problem.
I wiped all and flash again the stock rom, but no baseband, what can I do?
Barabba11 said:
Hi mates, I got the phone from a discount shop, it was flashed with a LL 5.0 version.. after flashing some experiments with unsucessful baseband I 've found the solution. Pit the file and install the latest MM QD1 stock.. then I installed TWRP and flashed ResurrectionRemix 5.8.5 for G900P spr of 29/9/17..
the phone worked correctly since today, then it recognizes the simcard but no netwok signal. Three days ago I updated to the latest RR, which doesn't more report thwe spr version.. they ask use now KLTEDV, I suppose it created the problem.
I wiped all and flash again the stock rom, but no baseband, what can I do?
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I had that issue after some months of getting my S5, my modem burned out and they had to replace the device. You may want to see if a repair shop can take a look at it.
Fear_The_Fluff said:
I had that issue after some months of getting my S5, my modem burned out and they had to replace the device. You may want to see if a repair shop can take a look at it.
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§
thank you for report it! which Android version you had? Did you updated it to a custom rom? Are you sure it was an hardare fault?
I'm asking someone here if it is possibile to check the modem status with some diagnostic code, is it possible?
Thank you
Barabba11 said:
§
thank you for report it! which Android version you had? Did you updated it to a custom rom? Are you sure it was an hardare fault?
I'm asking someone here if it is possibile to check the modem status with some diagnostic code, is it possible?
Thank you
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Click to collapse
I was rooted with either PAC or Cyanogenmod. It started out with a weird issue of my time being off because when I lost signal, the time zone would change. Then my signal strength would weaken or drop all together, normally a reboot would fix it. One day nothing I could do would bring back the signal so I called my provider, they did some troubleshooting (update profile, prl and went in and reset the phone number) send another S5 over to see if that fixed the issue, which it did. I put my old S5 back to stock and it reset knox and I returned the old phone. I think part of that issue may have been that my qi charger may have made the phone too hot and burned it out.
thank you a lot for report it. As soon I have time I'll have a try and report here if I can repair it..
Barabba11 said:
thank you a lot for report it. As soon I have time I'll have a try and report here if I can repair it..
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Not sure if you ever got your S5 going. I just wanted to let you know that I went back to my S5 as my primary and now I am no longer getting LTE. I will try and troubleshoot the issue at some point, so far I found some posts saying to go back to stock, run all the network updates (PRL, activation, etc) then go back to custom if you have LTE on the stock. They also said to try a new SIM card. I also saw others who had to manually re-add the network settings.
thank you a lot for reply, actually I haven't yet time to work on it.. but I should do it soon somehow.
Anyway my phone is dead about network, no question of LTE. As I know this Spring phones doesn't work on LTE because in US they use other frequencies, and this phone is supposed to work there only
Barabba11 said:
thank you a lot for reply, actually I haven't yet time to work on it.. but I should do it soon somehow.
Anyway my phone is dead about network, no question of LTE. As I know this Spring phones doesn't work on LTE because in US they use other frequencies, and this phone is supposed to work there only
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UPDATE: I found this on the main S5 site:
https://forum.xda-developers.com/galaxy-s5/help/solved-unknown-baseband-fixed-t3680402
It did not work for me, I think it is because I only have problems with LTE. I think it will work for your problem tho.
Good Luck!
Thank you a lot, I tired but for now doesn't help, I'll try more and waiting support, thank you!

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