[solved] Lenovo A850 Weak Signal Problem - Help! - Lenovo A850

Hello
I'm the proud owner of a Lenovo A850, really happy with it, but apparently, encountered an issue
Initially had official firmware on it, installed the latest by Linerty - works great
Problem is - there's a signal drop / weak signal on both of the SIMs used.
# Tried to change network mode (WCDMA or GSM only) - didn't improve in any way.
# SIMs are okay, i've tried them on another phone, they are not defective.
# No Data Connection used, don't need it on this phone.
Any suggestions, please?
Anyone else had this problem?
Thanks very much
------------------------
Problem isn't software (radio/modem) related, but a hardware fault. Needs to be taken to a service that specialises in dual-sim phones, they ought to know what to do.

alexandruvlad said:
Hello
I'm the proud owner of a Lenovo A850, really happy with it, but apparently, encountered an issue
Initially had official firmware on it, installed the latest by Linerty - works great
Problem is - there's a signal drop / weak signal on both of the SIMs used.
# Tried to change network mode (WCDMA or GSM only) - didn't improve in any way.
# SIMs are okay, i've tried them on another phone, they are not defective.
# No Data Connection used, don't need it on this phone.
Any suggestions, please?
Anyone else had this problem?
Thanks very much
Click to expand...
Click to collapse
Does it happen on stock?

MrObvious said:
Does it happen on stock?
Click to expand...
Click to collapse
Yes, on stock ROM too...sadly

Try flashing a new rom...

Solved it by taking the phone to a specialized Lenovo-phone service center. Didn't pay much and everything works great now!

You know what they changed in the phone?
Try to find out and share... there maybe other people searching for it in the future.
Also update the first post and change the title to solved...

TQ

Signal problem lenovoa850

Related

Call on my HTC s710 not notified

Hi guys,
I need help. Most of my incoming calls are getting dropped even though i have full signal strength and battery. My callers says that calls are getting connected but unanswered . But calls are not notified on the screen
I have checked with my operator and there is no problem with them
Please help me
I have
OS Win Mobile 6.1 std CE OS 5.2.19195 by Dr.Martin
ROM version : 1.34.406.1
Radio Version 4.1.13.41_02.88.90
I have the same problem bro.....
Tried all ROMS and Radio Versions Available here....It seems to be Operator Problem ...must be some spectrum issue....
where in India are you... I am in Delhi and Airtel is my Operator..........
No use.....I am having a Prepaid Connection and huge problem...losing business......
I am shifting to Voda in Delhi.....
Where are you and whose yr Operator ???
even in bangalore i face the same problem..
I've also faced these problems but I think after using Radio 4.1.13.47_02.98.90 problems are quite low. Atleast calls are not dropped. You may try this.
I'm facing different problem. As you all are in India, I'd like to ask are you facing this problem or ever faced...
Problem..
On starting Internet on IE mobile or on starting Windows Live my mobile get switched off unexpectedly. But when my mobile is connected with power or connected to PC this problem is no more. I face this only when its in battery mode.
Thanks
Hi...
Not facing that kind of Problem when using IE or Windows Live....Both work absolutely flawless......
Will try the Radio that you have said....
Thanx
*** Updated ROM to Clean WM6.1 by Fireburned *****************************
*** Updated Radio to 4.1.13.47_02.98.90 will provide Feedback in day or Two *******
Thanx
I have the same problem too.I think after using Dr gonzo roze rom it happens to me. changing the rom to monaliza didn't help me
I have lost some important calls
I am from chennai and I use Airtel
guys...almost everyone in india using airtel prepaid network n htc mobile face this problem..even the service centers know this...n nothing is being done to solve this problem...its better everyone change to other networks or change prepaid to postpaid
fellas.......
My problem has almost disappeared 99% Solution.....things I have changed are:
1)radio : 4.1.13.47_02.98.90
2)ROM : Dr. Gonzo's Rose ROM
3) Applied BT Hotfix as suggested on HTC Website
I think you all shud also try it out and post the results for others to work on....
If you need any clarification in this regard I will be more than happy to assist....
Thanxxx
I guess on switching on the WiFi also your phone will shutdown immediately.
You have a battery issue.
ragsAnurag said:
I've also faced these problems but I think after using Radio 4.1.13.47_02.98.90 problems are quite low. Atleast calls are not dropped. You may try this.
I'm facing different problem. As you all are in India, I'd like to ask are you facing this problem or ever faced...
Problem..
On starting Internet on IE mobile or on starting Windows Live my mobile get switched off unexpectedly. But when my mobile is connected with power or connected to PC this problem is no more. I face this only when its in battery mode.
Thanks
Click to expand...
Click to collapse
Upgrading you radio to the latest available version might solve this issue.
amazingly though, this issue is most noticeable with the operator airtel.
Thanks for advice
prajith said:
I guess on switching on the WiFi also your phone will shutdown immediately.
You have a battery issue.
Click to expand...
Click to collapse
Thanks Prajith. I've ordered a new battery. I hope this will solve my problem.
About Airtel:
It seems airtel network is very confusing for HTC vox. I also use this sometimes it works properly sometimes its annoying. I've tried almost all radios. But the version I suggested above is quite good. But it seems sms and internet data is not flowing properly with this radio. I'm thinking to switch to vodafone again. Any suggestion about vodafone or Idea network.
Thanks
have no idea regarding the Idea n/w but vodafone works fine.
guys.....
my phone must be having a Hardware issue.....as after relying on the "so called 99% Solution of mine".....
I continued to have problems....
I have DUMPED the phone for now and bought Samsung.....
HTC service providors----salora..refused to repair the phone and decided that the "Main PCB" needed to be replaced ...as this is what they do for all HTC Phones...... and asked for 9000.00 Bux or about USD180....first I thought they were kidding but what the hell.....went ahead and bought Samsung....
I will continue to finger the phone and try as and when I get time different solutions and let you know if something really turs up......
Request to all the "LEARNED" in the forum...... please give your inputs for a complete solution.....
BTW..just remembered...that once while Flashing the ROM I got an error but I reboted the Phone and it Flashed the ROM fine.... after this I have flashed the ROM 3-4 times all were fine......but if that Error had anything to do with Call Drop.. ??????
Any input by the "Learned" will be highly appreciated.....
Also any other Solution will also be higly appreciated....
thanxxx

[Q] Galaxy R Motherboard replaced + Signal issue

Hi Folks,
This is my first post here. I bought my SGR in Dec 2011 and was facing the usual issues of no sound on headphone removal and WiFi disconnection. I went the service center two weeks back and they replaced the motherboard and these issues have stopped.
However, I am facing the below two issues now;
a. My SGR won't pick up Airtel signal inside some rooms. It shows no bars whereas all others sitting in the same room on Airtel have no such issue. When I had given my SGR for repair, I was using an old Nokia C3 and never had problems with it in the same rooms.
b. When I try to make calls, sometimes I get a call ended message even though the signal shows two-three bars. It works after multiple tries. When others try to reach me, they often get an unreachable and i realize this after I see their missed call message.
Has anyone else faced these problems? Any pointers will be appreciated.
Not rooted yet!
saikri said:
Hi Folks,
This is my first post here. I bought my SGR in Dec 2011 and was facing the usual issues of no sound on headphone removal and WiFi disconnection. I went the service center two weeks back and they replaced the motherboard and these issues have stopped.
However, I am facing the below two issues now;
a. My SGR won't pick up Airtel signal inside some rooms. It shows no bars whereas all others sitting in the same room on Airtel have no such issue. When I had given my SGR for repair, I was using an old Nokia C3 and never had problems with it in the same rooms.
b. When I try to make calls, sometimes I get a call ended message even though the signal shows two-three bars. It works after multiple tries. When others try to reach me, they often get an unreachable and i realize this after I see their missed call message.
Has anyone else faced these problems? Any pointers will be appreciated.
Click to expand...
Click to collapse
Yeap, m facing the same problem with airtel...
i'm on Neo rom 2.1 (ZSLE5) with ardatdat 1.8.1...
saikri said:
Hi Folks,
This is my first post here. I bought my SGR in Dec 2011 and was facing the usual issues of no sound on headphone removal and WiFi disconnection. I went the service center two weeks back and they replaced the motherboard and these issues have stopped.
However, I am facing the below two issues now;
a. My SGR won't pick up Airtel signal inside some rooms. It shows no bars whereas all others sitting in the same room on Airtel have no such issue. When I had given my SGR for repair, I was using an old Nokia C3 and never had problems with it in the same rooms.
b. When I try to make calls, sometimes I get a call ended message even though the signal shows two-three bars. It works after multiple tries. When others try to reach me, they often get an unreachable and i realize this after I see their missed call message.
Has anyone else faced these problems? Any pointers will be appreciated.
Not rooted yet!
Click to expand...
Click to collapse
flash zsle6 and see i was having the same problem but now it's fine
this is the link
http://samsung-updates.com/device/?id=GT-I9103
vasudevk03 said:
flash zsle6 and see i was having the same problem but now it's fine
this is the link
http://samsung-updates.com/device/?id=GT-I9103
Click to expand...
Click to collapse
Are you using the stock rom?
with the stock kernel ?
sagarwadhwa1 said:
Are you using the stock rom?
with the stock kernel ?
Click to expand...
Click to collapse
buddy try ZLES6 rom - link given above.. & then flash Neorom2.1 rom..see you will never have these kinda problem.. if persist after flashing, go to SSC & ask for replacement...
Hmmm
@vasudevk03 @Kataria Thank You both for your responses. :good:
I am using rom and kernel which were (re?)installed after the latest motherboard change from the SSC folks themselves. It mentions something like 2.6.36.3-I9103XWKI5-CL57705 [email protected] #3
Have not tried to root and install another rom since I heard that it will void the warranty. With this phone giving so many issues, not sure when I will be required to take it back.
Not even running Tasker since it I need to root it.
saikri said:
@vasudevk03 @Kataria Thank You both for your responses. :good:
I am using rom and kernel which were (re?)installed after the latest motherboard change from the SSC folks themselves. It mentions something like 2.6.36.3-I9103XWKI5-CL57705 [email protected] #3
Have not tried to root and install another rom since I heard that it will void the warranty. With this phone giving so many issues, not sure when I will be required to take it back.
Not even running Tasker since it I need to root it.
Click to expand...
Click to collapse
Flashing anything on your mobile won't void your warranty only if you are careful & you know how to reset the counter but if you aren't confident about it don't do it.
Flashing ZSLE5 / 6 stock ROM will not increment the counter & won't void your warranty but just to be on the safer side before giving it to the service center flash the stock Indian 2.3.5 ROM back to your handset.
You can try to flash the stock ZSLE6 / XWLA4 stock ROMs & check if it resolves your issue.
It could also be network configuration related as another fellow member who is also on Airtel is facing the problem.
Hmmm
@cooleagle Thanks for the response. I will get on the rooting wagon in the near future since I have no idea on this front. < Learning mode on> Some threads on this forum will help, I guess this thread will help get me back to a stock rom before I give it for service again, if required.
saikri said:
Hi Folks,
This is my first post here. I bought my SGR in Dec 2011 and was facing the usual issues of no sound on headphone removal and WiFi disconnection. I went the service center two weeks back and they replaced the motherboard and these issues have stopped.
However, I am facing the below two issues now;
a. My SGR won't pick up Airtel signal inside some rooms. It shows no bars whereas all others sitting in the same room on Airtel have no such issue. When I had given my SGR for repair, I was using an old Nokia C3 and never had problems with it in the same rooms.
b. When I try to make calls, sometimes I get a call ended message even though the signal shows two-three bars. It works after multiple tries. When others try to reach me, they often get an unreachable and i realize this after I see their missed call message.
Has anyone else faced these problems? Any pointers will be appreciated.
Not rooted yet!
Click to expand...
Click to collapse
Yes..even i also faced some issues with my fone on airtel network...
in some areas where i used to get network on my E71, there m getting around 1-2 signal bar of network..
i guess its normal with airtel..!
saikri said:
@cooleagle Thanks for the response. I will get on the rooting wagon in the near future since I have no idea on this front. < Learning mode on> Some threads on this forum will help, I guess this thread will help get me back to a stock rom before I give it for service again, if required.
Click to expand...
Click to collapse
Hi saikri,
Did u manage to solve the signal problem? I have observed this signa issue in my phone for the past couple of weeks. In rooms where I use to receive signal at full strength, now I barely see a bar, and many times the phone loses signal. I am on zsle6, rooted. Service provider is airtel.

Strange problems with Mobile Data and also with landscape...what can i do?

Hi guys,
i write because i don't know what to do.
I have two strange problems on my Nexus 5, the first (less important) is that when i put the phone in landscape it starts to lag, but after a few seconds it works fine...this problem is less important because a reboot ever fix the problem...but what can be the cause?
The second problem that is bad and it is that i have issues with my mobile data...when i tried to use internet it is really slow and it doesn't work fine...in first place i thought to some network problems but people with Nexus 5 and also other phones told me that they haven't any problem with the same carrier.
Then i clean flash a new rom (Carbon Rom) and i noticed that the problem was gone..however after some strange reboot in calls i decided to revert to stock rom (again with clean flash) and the problem with network is here again! Is a baseband (modem) issue? Maybe the Carbon Rom uses a different baseband?
I tried also to disable Xposed (that i use on stock rom and that there isn't in Carbon) but the problem is still here!
Of course i installed the same apps on Carbon and on Stock then i was in the same conditions. I used franco kernel (both on stock and Carbon) and changing kernel is the unique thing that i didn't make but i think it's useless!
What are your advices? Thanks in advance!
SedyBenoitPeace said:
Hi guys,
i write because i don't know what to do.
I have two strange problems on my Nexus 5, the first (less important) is that when i put the phone in landscape it starts to lag, but after a few seconds it works fine...this problem is less important because a reboot ever fix the problem...but what can be the cause?
The second problem that is bad and it is that i have issues with my mobile data...when i tried to use internet it is really slow and it doesn't work fine...in first place i thought to some network problems but people with Nexus 5 and also other phones told me that they haven't any problem with the same carrier.
Then i clean flash a new rom (Carbon Rom) and i noticed that the problem was gone..however after some strange reboot in calls i decided to revert to stock rom (again with clean flash) and the problem with network is here again! Is a baseband (modem) issue? Maybe the Carbon Rom uses a different baseband?
I tried also to disable Xposed (that i use on stock rom and that there isn't in Carbon) but the problem is still here!
Of course i installed the same apps on Carbon and on Stock then i was in the same conditions. I used franco kernel (both on stock and Carbon) and changing kernel is the unique thing that i didn't make but i think it's useless!
What are your advices? Thanks in advance!
Click to expand...
Click to collapse
I'm on stock and have only used the stock ROM. I've been facing the data issue for a while now. Its annoying and Google supposedly know about it and surprisingly still no fix.
neXus 5
OuncE718 said:
I'm on stock and have only used the stock ROM. I've been facing the data issue for a while now. Its annoying and Google supposedly know about it and surprisingly still no fix.
neXus 5
Click to expand...
Click to collapse
Well thanks for answer! It's nice to see that i'm not the only one! However (at least in my case) is really strange...because i have friends with the same configuration (Nexus 5 and same carrier) and all work fine! But it's also strange that if i try another rom and i leave in the same condition of the stock the custom rom work while the stock not!
When i will come home tonight i will try to flash another modem...maybe is this the problem!
Hi guys,
i write because i don't know what to do.
I have two strange problems on my Nexus 5, the first (less important) is that when i put the phone in landscape it starts to lag, but after a few seconds it works fine...this problem is less important because a reboot ever fix the problem...but what can be the cause?
Click to expand...
Click to collapse
No clue, never heard of this...
The second problem that is bad and it is that i have issues with my mobile data...when i tried to use internet it is really slow and it doesn't work fine...in first place i thought to some network problems but people with Nexus 5 and also other phones told me that they haven't any problem with the same carrier.
Then i clean flash a new rom (Carbon Rom) and i noticed that the problem was gone..however after some strange reboot in calls i decided to revert to stock rom (again with clean flash) and the problem with network is here again! Is a baseband (modem) issue? Maybe the Carbon Rom uses a different baseband?
I tried also to disable Xposed (that i use on stock rom and that there isn't in Carbon) but the problem is still here!
Of course i installed the same apps on Carbon and on Stock then i was in the same conditions. I used franco kernel (both on stock and Carbon) and changing kernel is the unique thing that i didn't make but i think it's useless!
What are your advices? Thanks in advance!
Click to expand...
Click to collapse
Changing your modem will have an effect on your reception, not necessarily your speeds. That's usually determined by your carrier - you might want to make sure you're using the correct APN they specify. You can get them on their website. Also it could be the sim card you're using, whether or not it's LTE-compatible, or it could be the area you're in that's causing your speed troubles trouble.
As you can see, there's really no one way to fi things like this... you sort of have to troubleshoot it yourself, unfortunately.
Regarding Carbon rom, it won't change your modem - that's something you'll have to manually flash.
SteveMurphy said:
No clue, never heard of this...
Changing your modem will have an effect on your reception, not necessarily your speeds. That's usually determined by your carrier - you might want to make sure you're using the correct APN they specify. You can get them on their website. Also it could be the sim card you're using, whether or not it's LTE-compatible, or it could be the area you're in that's causing your speed troubles trouble.
As you can see, there's really no one way to fi things like this... you sort of have to troubleshoot it yourself, unfortunately.
Regarding Carbon rom, it won't change your modem - that's something you'll have to manually flash.
Click to expand...
Click to collapse
First of all thanks for answer! Well is not necessarily slow.. It's like a connection drop.. And like you can see is not a problem in my area with my carrier but something that only I have.. There is the lte in my area but I haven't a plan with lte connection then I set my phone in a way that he didn't search for lte! I will try the modem and if it won't work I will switch on a custom rom.. The strange thing is also that with carbon I haven't any trouble but with stock yes..
Inviato dal mio Nexus 5 utilizzando Tapatalk

[Q] Data once lost wont re-connect

i am currently using Resurrection Remix 5.0.2 but was using cm12 nightlys before. The problem is that
the data connection is good but once i loose the connection there is an exclamation mark next to the
signal bar so i presume thats the data lost. It then wont connect again untill i reboot the phone.I have tried
switching on and off data but still no joy..This never happened on kitkat. I thought the problem was CM
related hence why i tried the RR rom but exactly the same is happening. Someone sugested that it could be
the sim card but im not so sure as it works fine before lollipop.I surely can't be the only one experiencing
this? but by the same token i can't find any info on it either ..maybe says something!!
Hope someone can help as i want to stay on lollipop i do like it, maybe the official release will sort it out.
Thank you
harleyfatboy said:
i am currently using Resurrection Remix 5.0.2 but was using cm12 nightlys before. The problem is that
the data connection is good but once i loose the connection there is an exclamation mark next to the
signal bar so i presume thats the data lost. It then wont connect again untill i reboot the phone.I have tried
switching on and off data but still no joy..This never happened on kitkat. I thought the problem was CM
related hence why i tried the RR rom but exactly the same is happening. Someone sugested that it could be
the sim card but im not so sure as it works fine before lollipop.I surely cant be the only one experiencing
this? but by the same token i cant find any info on it either ..maybe says something!!
Hope someone can help as i want to stay on lollipop i do like it, maybe the official release will sort it out.
Thank you
Click to expand...
Click to collapse
It's a ROM issue (radio.img). I was facing same problem on earlier builds of BlissPop ROM, but not no issues..
If you are getting exclamation mark in 2 or more ROMs, then there is problem with your sim-card or the network operator.
I suggest you to contact your concerned network operator and take his help for the same. (If you are facing same issue on 2 or more ROMs, try out Stock ROM CM11s)
Thank you for your reply, so would it be possible to flash a modem from kitkat or would there be compatibility issues with that?
Sent from my A0001 using XDA Free mobile app
did you check your network type and apn settings
So here is the latest update. I replaced the sim card on Saturday, the problem is is still there. I checked me APN settings they are three UK so that's ok. I've tried cm12,resurrection, blispop and now I'm on sabermod. I'm thinking this oneplus doesn't like lollipop, looks like I will have to revert to kitkat for just now until the official release comes out but I can't see that fixing the problem either as I don't seem to see anyone else with this problem.
Thank you for your help folks
Sent from my A0001 using XDA Free mobile app
harleyfatboy said:
So here is the latest update. I replaced the sim card on Saturday, the problem is is still there. I checked me APN settings they are three UK so that's ok. I've tried cm12,resurrection, blispop and now I'm on sabermod. I'm thinking this oneplus doesn't like lollipop, looks like I will have to revert to kitkat for just now until the official release comes out but I can't see that fixing the problem either as I don't seem to see anyone else with this problem.
Thank you for your help folks
Sent from my A0001 using XDA Free mobile app
Click to expand...
Click to collapse
I'm also with Three and have lost my data connection. They replaced the sim on Tuesday and I'm sure it worked until the old number swapped to the new sim. I have a 321 simcard on order and I'll try that once it arrives. My phone is still running Kitkat.
I had no problems with kitkat, if it lost the connection it automatically connected again when I was back in an area with a signal. But this has got me beat, a new sim card and too many roms to count but still the same problem. I am a lorry driver and cover the whole of Scotland and signal is patchy at best and it's annoying to find out later on in the day that data was off and you didn't receive any messages or emails.. Some of them important..
Sent from my A0001 using XDA Free mobile app
harleyfatboy said:
I had no problems with kitkat, if it lost the connection it automatically connected again when I was back in an area with a signal. But this has got me beat, a new sim card and too many roms to count but still the same problem. I am a lorry driver and cover the whole of Scotland and signal is patchy at best and it's annoying to find out later on in the day that data was off and you didn't receive any messages or emails.. Some of them important..
Sent from my A0001 using XDA Free mobile app
Click to expand...
Click to collapse
I have exactly the same problem.
I'm from Spain.
I've discovered that if i set network type to LTE it seems to work right.
Today I've moved from blisspop to temasek.
The 3g reconnect doesn't work, as always.
I turn data and wifi off when I sleep so tomorrow I will confirm if LTE works also with temasek.
my connection has always been set on LTE but never makes any difference
At the weekend I installed the official OxygenOs, I have been driving all day and had to reboot the phone 4 times because of this problem, I did half wish that when an official release came it would maybe sort out the problem but no joy. So I can only think it's to do with the oneplus. I'm at a loss now and seriously don't want to go back to kitkat but it looks like this will be the only solution to the problem..
harleyfatboy said:
my connection has always been set on LTE but never makes any difference
At the weekend I installed the official OxygenOs, I have been driving all day and had to reboot the phone 4 times because of this problem, I did half wish that when an official release came it would maybe sort out the problem but no joy. So I can only think it's to do with the oneplus. I'm at a loss now and seriously don't want to go back to kitkat but it looks like this will be the only solution to the problem..
Click to expand...
Click to collapse
I've tested this night again and if I set network to LTE.
The test I've done is.
- Turn off data and wifi before to sleep.
- Turn off only data when I woke up.
The connection was successful almost inmediately.
Greetings. I ran into similar issue with the CM12s update.
Once I lose the mobile signal for whatever reason, the data connection is not restored. Only way to regain it, is by restarting the phone (haven't tested airplane mode). Sometimes even if I leave WiFi on for long time (overnight), I will not have data connection after turning off the WiFi. I use HSPA connection only, not LTE.
I can not recall having this issue on KitKat. Issue was on the first CM12s update and remains on the second one, both were installed clean, so clean install of the ROM will not fix it. I am not using any custom ROMs or kernels, only TWRP recovery.
Has anyone had such issue and maybe found a solution to this?
Someguyfromhell said:
Greetings. I ran into similar issue with the CM12s update.
Once I lose the mobile signal for whatever reason, the data connection is not restored. Only way to regain it, is by restarting the phone (haven't tested airplane mode). Sometimes even if I leave WiFi on for long time (overnight), I will not have data connection after turning off the WiFi. I use HSPA connection only, not LTE.
I can not recall having this issue on KitKat. Issue was on the first CM12s update and remains on the second one, both were installed clean, so clean install of the ROM will not fix it. I am not using any custom ROMs or kernels, only TWRP recovery.
Has anyone had such issue and maybe found a solution to this?
Click to expand...
Click to collapse
Did you ever get this sorted? I've been having this issue, luckily I always have Wi-Fi at home/uni but there are times when it just won't find a Data connection. This happened right after the CM12 update :/
FazCapone said:
Did you ever get this sorted? I've been having this issue, luckily I always have Wi-Fi at home/uni but there are times when it just won't find a Data connection. This happened right after the CM12 update :/
Click to expand...
Click to collapse
I didn't get it fixed and have switched back to my Note 3.
Someguyfromhell said:
I didn't get it fixed and have switched back to my Note 3.
Click to expand...
Click to collapse
Well decided to a bit of searching, if you go into Settings -> Mobile Network Settings -> Network Operators and manually choose the network rather than the Auto Search option, it seems to have worked for me for the time being.
I am on the same boat as OP. The problems started after updating to Lollipop.
If anyone has found a solution, please let me know. I read about someone installing a 44S modem, but I'm unsure if this will permanently change system files (I wouldn't want it to) and I'm therefore hesitant.

Lost Data Connectivity

Hi everyone;
Am having this problem and it's really annoying, i searched the forum before posting, and didn't find something related to this.
So my problem is that i totally lost my Data connectivity, no 3G no LTE, i checked the APN parameters and it was all correct.
Meanwhile i have totally no problem with WIFI, i flashed the radio, and didn't help.
For information my operator is French "FREE".
Thanks in advance for any help.
Best Regards
Any help please!?
The best recommendation that I can give you is to try to get a better radio (modem flash) on your device. My experience with the one plus has not been the best. I was having the same problems as you on Att US flashed a different modem and it works better, but is not great. Oneplus did replace the phone for me. (it only took them 2 months)
ryantek said:
The best recommendation that I can give you is to try to get a better radio (modem flash) on your device. My experience with the one plus has not been the best. I was having the same problems as you on Att US flashed a different modem and it works better, but is not great. Oneplus did replace the phone for me. (it only took them 2 months)
Click to expand...
Click to collapse
Thanks for your answer.
actually i totally don't have any connectivity except wifi, i tried flashing a different Modem, didn't change anything, i flashed now with oxygenos, so i have the baseband coming with.
Do you have any suggestion of a good modem firmware?
Thanks in advance

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