Recurring issues with custom ROMs and roaming - Lenovo P2 Questions & Answers

Hello, I have this weird issue since a long time on my SIM card (I think):
Basically what's happening is that only when using custom roms, and travelling from Italy to Switzerland (not EU) I get charged with roaming fees even if the roaming option is off.
This happened now with aosp extended and android 8.1, but happened before with Lineage OS 7.1 on my HTC One M9.
I have deleted all APNs from the phone except for mobile.vodafone.it but I have the same problem.
The problem is not occuring while on "airplane mode". The GPS has always been totally OFF.
Any idea what this could be?

Anyone??

turn off mobile data. Sadly there is no other way as i know it. It fixed my problem on my Lenovo P2 ,Pixel 2 XL and my S7Edge.

sm00th4f3 said:
turn off mobile data. Sadly there is no other way as i know it. It fixed my problem on my Lenovo P2 ,Pixel 2 XL and my S7Edge.
Click to expand...
Click to collapse
Thank you for the reply, yes I figured this out but it sucks to have this issue. With stock roms never happens, I wonder what's the cause!

Related

[Q] GSM/WCDMA Problem that causes screen to flicker

Hi everyone. Had my P605 half a year ago, doesn't seems to have any problems with the screen.
Had always on WiFi to do the web browsing and what not. As recently decided to use my mobile data, as default, i found out the mobile network is on "Automatic", which is between GSM and WCDMA. To my knowledge, they are what also known as 2G and 3G.
The problem is, when I switched it to only GSM mode (if you ask for reason why, is because I was told to believed that 2G saves more battery life and I do not really browse internet heavily, most of the time Whatsapp and some twitter. so I don't think I need to have a very fast connectivity to drain my battery), the screen started to flicker. sometime awhile, sometime it keep flashes/flicker until i switch off my mobile data. Even if i power off/restart my tablet it still flashes during shut down or start up time.
Had tried with only WCDMA mode or the "automatic" mode which is switched on by default, the problem doesn't seems to exist.
However, it got me worry tho, what is the problem? is it because of my SIM CARD, hardware, or because of the software? is there anyway I can fix it myself?
P605
on 4.3 Jellybean
Mobile Network: UMobile (Malaysia), I don't think mine is having the LTE yet.
The device is not rooted, is all original.
Thanks in advance. Please help me with the problem. thanks!
vincehoo said:
Hi everyone. Had my P605 half a year ago, doesn't seems to have any problems with the screen.
Had always on WiFi to do the web browsing and what not. As recently decided to use my mobile data, as default, i found out the mobile network is on "Automatic", which is between GSM and WCDMA. To my knowledge, they are what also known as 2G and 3G.
The problem is, when I switched it to only GSM mode (if you ask for reason why, is because I was told to believed that 2G saves more battery life and I do not really browse internet heavily, most of the time Whatsapp and some twitter. so I don't think I need to have a very fast connectivity to drain my battery), the screen started to flicker. sometime awhile, sometime it keep flashes/flicker until i switch off my mobile data. Even if i power off/restart my tablet it still flashes during shut down or start up time.
Had tried with only WCDMA mode or the "automatic" mode which is switched on by default, the problem doesn't seems to exist.
However, it got me worry tho, what is the problem? is it because of my SIM CARD, hardware, or because of the software? is there anyway I can fix it myself?
P605
on 4.3 Jellybean
Mobile Network: UMobile (Malaysia), I don't think mine is having the LTE yet.
The device is not rooted, is all original.
Thanks in advance. Please help me with the problem. thanks!
Click to expand...
Click to collapse
Have you update to the latest NI1 firmware? possible will fixed your issue.
buhohitr said:
Have you update to the latest NI1 firmware? possible will fixed your issue.
Click to expand...
Click to collapse
Hi, thanks for the reply.
Unfortunately, no, as I check for software update almost everyday, and everytime i get "the latest software has already been installed."
vincehoo said:
Hi, thanks for the reply.
Unfortunately, no, as I check for software update almost everyday, and everytime i get "the latest software has already been installed."
Click to expand...
Click to collapse
are you in US? your device rooted? have you tried Samsung Kies?
buhohitr said:
are you in US? your device rooted? have you tried Samsung Kies?
Click to expand...
Click to collapse
No, am not in US. As mentioned above, from Malaysia. Device is not rooted. tried Samsung kies, unfortunately is not available yet for my device.

Phone frozen only hard reboot fixes Help!p0

Has anyone been looking into the bug (dinosaur imo) where the phone (OP3 here but seen reports of same with the 3T) just freezes the screen goes black/off and the LEAD lights up white? I've had this happen with EVERY ROM I've flashed (in recent months anyway) whether it be Lineage, AOSP/Caf or Oxygen based rom. I never had this issue until recently (i.e. few weeks ago) although I remember reading complaints about this a while ago. I've tried grabbing logs, but as I can't duplicate the issue it's difficult and requires a hard reboot which wipes stuff outta memory. i did manage to grab a kernel/dmesg log which survives the reboot.actually I grabbed it by booting straight to recovery and pulling it from there. but as I'm kinda a noob I have no idea what I'm looking at. Lol I hope this log helps. The freeze culprit (if it's there) should be towards the end of the log. I'm assuming it might be associated with OOS firmwares as there the only constant between the Roms (barring it's not a hardware problem) I've tried every combination of Roms FW's kernels superSU magisk unrooted SElinux permissive/enforcing. yet it continues and seems to be becoming more frequent.thanks for any help as it will help the community as a whole
partridge79 said:
Has anyone been looking into the bug (dinosaur imo) where the phone (OP3 here but seen reports of same with the 3T) just freezes the screen goes black/off and the LEAD lights up white? I've had this happen with EVERY ROM I've flashed (in recent months anyway) whether it be Lineage, AOSP/Caf or Oxygen based rom. I never had this issue until recently (i.e. few weeks ago) although I remember reading complaints about this a while ago. I've tried grabbing logs, but as I can't duplicate the issue it's difficult and requires a hard reboot which wipes stuff outta memory. i did manage to grab a kernel/dmesg log which survives the reboot.actually I grabbed it by booting straight to recovery and pulling it from there. but as I'm kinda a noob I have no idea what I'm looking at. Lol I hope this log helps. The freeze culprit (if it's there) should be towards the end of the log. I'm assuming it might be associated with OOS firmwares as there the only constant between the Roms (barring it's not a hardware problem) I've tried every combination of Roms FW's kernels superSU magisk unrooted SElinux permissive/enforcing. yet it continues and seems to be becoming more frequent.thanks for any help as it will help the community as a whole
Click to expand...
Click to collapse
I have the same issue, does the white LED light up in oxygenOS ROMs as well? And you said that you only faced this issue a few weeks ago, had you updated the firmware of OOS?
I remember this on a few testbuilds of VertexOS. Back then it had to do with SDcardfs that where a little buggy. Perhaps that's the case now? If it is not much you can do.
When I go back to marshmallow, this issue magically disappears. Should be something related to the nougat firmware that screws up a few devices
partridge79 said:
Has anyone been looking into the bug (dinosaur imo) where the phone (OP3 here but seen reports of same with the 3T) just freezes the screen goes black/off and the LEAD lights up white? I've had this happen with EVERY ROM I've flashed (in recent months anyway) whether it be Lineage, AOSP/Caf or Oxygen based rom. I never had this issue until recently (i.e. few weeks ago) although I remember reading complaints about this a while ago. I've tried grabbing logs, but as I can't duplicate the issue it's difficult and requires a hard reboot which wipes stuff outta memory. i did manage to grab a kernel/dmesg log which survives the reboot.actually I grabbed it by booting straight to recovery and pulling it from there. but as I'm kinda a noob I have no idea what I'm looking at. Lol I hope this log helps. The freeze culprit (if it's there) should be towards the end of the log. I'm assuming it might be associated with OOS firmwares as there the only constant between the Roms (barring it's not a hardware problem) I've tried every combination of Roms FW's kernels superSU magisk unrooted SElinux permissive/enforcing. yet it continues and seems to be becoming more frequent.thanks for any help as it will help the community as a whole
Click to expand...
Click to collapse
RazorBlade123 said:
I have the same issue, does the white LED light up in oxygenOS ROMs as well? And you said that you only faced this issue a few weeks ago, had you updated the firmware of OOS?
Click to expand...
Click to collapse
Puddi_Puddin said:
I remember this on a few testbuilds of VertexOS. Back then it had to do with SDcardfs that where a little buggy. Perhaps that's the case now? If it is not much you can do.
Click to expand...
Click to collapse
I am myslef facing the same problem since last month. I too tried hard to find what was the problem but never got close. I had this issue on every custom rom. I switched to open beta and the problem followed. I asked oneplus team to flash my device remotely to go complete stock and i had the same problem​.
Then i had a function at my hometown. So stayed there for 2 weeks. I encountered the same thing again the day i reached there but only once. The phone acted normally for the rest of the 13 days. I did not faced any issue.
Back from the function, i encountered this twice within the time span of 12 hours. My alarm did not rang as well. Wokeup 2 hours later.
So what i think is that this is somewhat network realted as that is the only thing that had changed in the two scenarios. Will try to use with single sim at a time to find if either of the carrier is creating the problem.
Ashish.akc said:
I am myslef facing the same problem since last month. I too tried hard to find what was the problem but never got close. I had this issue on every custom rom. I switched to open beta and the problem followed. I asked oneplus team to flash my device remotely to go complete stock and i had the same problem​.
Then i had a function at my hometown. So stayed there for 2 weeks. I encountered the same thing again the day i reached there but only once. The phone acted normally for the rest of the 13 days. I did not faced any issue.
Back from the function, i encountered this twice within the time span of 12 hours. My alarm did not rang as well. Wokeup 2 hours later.
So what i think is that this is somewhat network realted as that is the only thing that had changed in the two scenarios. Will try to use with single sim at a time to find if either of the carrier is creating the problem.
Click to expand...
Click to collapse
I have found out that I don't experience this issue on marshmallow ROMs. Currently I am on sultan's lineage ROM, and it works well. It is underclocked, I think that helps. Maybe our phones are unstable on max frequencies.
I am using 2 sims as well.
Clock speed isn't the culprit imo as i have mostly faced the issue when my phone was idling, like when i was sleeping. Though it might be a case as well as your point makes sense. Anyways am going to service centre day after tomorrow. Hope they find something before my warranty gets old.
Ashish.akc said:
Clock speed isn't the culprit imo as i have mostly faced the issue when my phone was idling, like when i was sleeping. Though it might be a case as well as your point makes sense. Anyways am going to service centre day after tomorrow. Hope they find something before my warranty gets old.
Click to expand...
Click to collapse
I've never had the issue when my phone was idling. Hopefully the service center repairs your phone
RazorBlade123 said:
I've never had the issue when my phone was idling. Hopefully the service center repairs your phone
Click to expand...
Click to collapse
Service centre guys were not able to find any problem with the phone. Although i had noticed something the phone went black this time. I was using my 1st sim's data
Actually that just clicked me. I was not sure though that this could be the problem. Switched back to 2nd sim for couple of days and tge phone stayed good all long. I then starting using the 1st sim's data again and i had those 'phone dead' scenes coming up very frequently. Thought it might be a sim module issue. Swaped the sims cards (1st in 2nd slot now and vice versa) and kept using the data from 2nd sim(it was in 1st slot before) and the problem followed. Switched the data back to 1st sim and the phone played well again. No issues
One sim is BSNL which only has upto 3G network and the other sim is Reliance Jio which only has 4g coverage. Initially the BSNL was in 1st slot and Jio in 2nd. I mostly use my data from jio. But when i want to use BSNL's data, it jumps to 3g network and there are no signals left in jio as there is no network range other than 4g and hence the sim remains deactivated when am using BSNL's data.
Am totally confused now as to what is this happening
Ashish.akc said:
Service centre guys were not able to find any problem with the phone. Although i had noticed something the phone went black this time. I was using my 1st sim's data
Actually that just clicked me. I was not sure though that this could be the problem. Switched back to 2nd sim for couple of days and tge phone stayed good all long. I then starting using the 1st sim's data again and i had those 'phone dead' scenes coming up very frequently. Thought it might be a sim module issue. Swaped the sims cards (1st in 2nd slot now and vice versa) and kept using the data from 2nd sim(it was in 1st slot before) and the problem followed. Switched the data back to 1st sim and the phone played well again. No issues
One sim is BSNL which only has upto 3G network and the other sim is Reliance Jio which only has 4g coverage. Initially the BSNL was in 1st slot and Jio in 2nd. I mostly use my data from jio. But when i want to use BSNL's data, it jumps to 3g network and there are no signals left in jio as there is no network range other than 4g and hence the sim remains deactivated when am using BSNL's data.
Am totally confused now as to what is this happening
Click to expand...
Click to collapse
Hmm, I see that your problem is completely different to mine. Something with the nougat firmware just doesn't work well with my phone (I would guess something in the nougat firmware/blobs) and the phone randomly freezes and force shuts down when using it (mostly when using it intensively). Maybe taking my phone to a service centre is the right choice. I am pretty sure they will say that there is no problem with my phone.
RazorBlade123 said:
Hmm, I see that your problem is completely different to mine. Something with the nougat firmware just doesn't work well with my phone (I would guess something in the nougat firmware/blobs) and the phone randomly freezes and force shuts down when using it (mostly when using it intensively). Maybe taking my phone to a service centre is the right choice. I am pretty sure they will say that there is no problem with my phone.
Click to expand...
Click to collapse
Tell them some pattern or your usage when the phone misbehaves. They'll try to replicate that and in case you are lucky they might see as well. Try to convince them to change your board
Ashish.akc said:
Tell them some pattern or your usage when the phone misbehaves. They'll try to replicate that and in case you are lucky they might see as well. Try to convince them to change your board
Click to expand...
Click to collapse
Thanks, hopefully they can repair my phone
Ashish.akc said:
Service centre guys were not able to find any problem with the phone. Although i had noticed something the phone went black this time. I was using my 1st sim's data
Actually that just clicked me. I was not sure though that this could be the problem. Switched back to 2nd sim for couple of days and tge phone stayed good all long. I then starting using the 1st sim's data again and i had those 'phone dead' scenes coming up very frequently. Thought it might be a sim module issue. Swaped the sims cards (1st in 2nd slot now and vice versa) and kept using the data from 2nd sim(it was in 1st slot before) and the problem followed. Switched the data back to 1st sim and the phone played well again. No issues
One sim is BSNL which only has upto 3G network and the other sim is Reliance Jio which only has 4g coverage. Initially the BSNL was in 1st slot and Jio in 2nd. I mostly use my data from jio. But when i want to use BSNL's data, it jumps to 3g network and there are no signals left in jio as there is no network range other than 4g and hence the sim remains deactivated when am using BSNL's data.
Am totally confused now as to what is this happening
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Click to collapse
You are supposed to use Jio sim only in the first slot. They specifically advise that. Now I understand why they advise like that.
tnsmani said:
You are supposed to use Jio sim only in the first slot. They specifically advise that. Now I understand why they advise like that.
Click to expand...
Click to collapse
But using the jio in the 1st slot also gives the same problem. And apart from that they advise to use jio sim in first slot because some phone have the network changeability (switch between 2g,3g or 4g) only on the first sim while the second sim always stays on 2g while that is not the case with the oneplus 3

reboot issue after nougat update

Hello, are users experiencing reboot issues after nougat update??
Please clarify it, cause I am planning to buy this phone
arjuntsgowda said:
are users experiencing reboot issues after nougat update? Please clarify it, cause I am planning to buy this phone
Click to expand...
Click to collapse
Me not. Don't know about other users
Any more reviews from other people,it would help me properly decide to buy this phone or not
Can't speak for stock ROMs but I've got no issues with the phone at all, no heating like people keep moaning about too... Happily running RR
arjuntsgowda said:
Any more reviews from other people,it would help me properly decide to buy this phone or not
Click to expand...
Click to collapse
I'm using the latest Zui 2.5.104 ST since last two months, everything is stock and I haven't faced any random reboot issue. May be issue was there with first/earlier version, but no issue with the latest update. VoLTE also works perfectly and never drops (Just that "HD" sign grts vanished sometimes, but VoLTE still works). You can go ahead and buy this phone. Btw, issues like random reboots, heating can be due to individual usage, so make sure you don't overheat the phone, or use bad apps.
arjuntsgowda said:
Hello, are users experiencing reboot issues after nougat update??
Please clarify it, cause I am planning to buy this phone
Click to expand...
Click to collapse
No such issue after update
To be on the safe side just factory reset the phone few times after update....it helps to get rid of such issues.
On 2.5.104 ST, every time I unlocked my phone, screen flickered and all radios disconnected. Sometimes it would immediately freeze, go to black screen, then LED lit up, requiring me to hold power button down to reboot the phone. Sometimes this happened, but not immediately. Sometimes radios would recover and phone would continue to function. Sometimes cellular radios recovered, but wifi did not, and even toggling airplane mode didn't fix it so I had to reboot. Nougat was quite a mess on my phone and that's even after factory reset many times. Several on zukfans.eu site had similar issues.
I don't think it was a hardware issue, because downgrade to 2.0.133 ST (Marshmallow) works perfectly.
GnatGoSplat said:
2.5.104 ST, 2.0.133 ST
Click to expand...
Click to collapse
works as usual on my phone.
sergsinger said:
works as usual on my phone.
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Click to collapse
Do you have dual SIMs installed? Connecting to 5GHz wifi or 2.4GHz?
Trying to figure out what is different about my situation.
GnatGoSplat said:
SIMs installed? Connecting to 5GHz wifi or 2.4GHz?
Click to expand...
Click to collapse
One. 2.4.

[SOLVED] Please Help - WiFi Frequently Disconnecting in Android Pie ROMs

The WiFi on my phone disconnects for about 2 seconds (every 15 minutes or so) for no reason at all. I have the same problem on EVERY single Android Pie ROM such as Lineage, Pixel Experience, AOSiP, AEX, etc. When the phone is in sleep mode the Wi-Fi will NOT reconnect, which means I constantly miss important notifications such as messages from friends. Also, when watching YouTube I keep seeing a message pop up saying 'Back Online' due to the WiFi disconnecting.
I have seen a couple of people on the forums with the same issue, but a solution has not yet been found. I know this is NOT a problem with my home broadband because I don't experience the same WiFi dropouts on other devices.
If anyone knows a solution to this problem, or just has a suggestion, PLEASE let me know as I would REALLY appreciate it.
P650SE said:
The WiFi on my phone disconnects for about 2 seconds every 15-30 minutes for no reason at all. I have the same problem on EVERY single Android Pie ROM such as Lineage, Pixel Experience, AOSiP, AEX, etc. When the phone is in sleep mode the Wi-Fi will NOT reconnect, which means I constantly miss important notifications such as messages from friends. Also, when watching YouTube I keep seeing a message pop up saying 'Back Online' because the WiFi keeps disconnecting.
I have seen a couple of people on the forums with the same issue, but a solution has not yet been found.
I know this is NOT a problem with my home broadband disconnecting because I do not experience the same WiFi dropouts whilst playing online games on my laptop.
If anyone knows a solution to this problem, or just has a suggestion, PLEASE let me know as I would REALLY appreciate it. I have been having this problem for months and it is driving me mad.
Click to expand...
Click to collapse
I'm using carbon rom, no problems when using WiFi or hotspot.
Psy Naveen said:
I'm using carbon rom, no problems when using WiFi or hotspot.
Click to expand...
Click to collapse
Hi. Thanks for the response. I will keep that in mind, I can't remember whether I tried Carbon ROM before.
However I have to think this problem is related to something more specific than just ROM, because if this problem was present on all installations of these popular ROMs like Lineage, AEX and Pixel Experience (as I have tested in my own experience) then we would likely see a lot more complaints about it on the forums. So I think the issue is related to something to do with a certain setting or configuration.
It is a VERY frustrating problem because I can't leave my phone for 15 minutes without it disconnecting from WiFi and loosing access to notifications.
Not that this will help but in the past I had issues with Samsung OEM ROMs I flashed using ODIN (equivalent to our QFIL) a firmware from another country and for some reason even though technically my phone WAS compatible, I would have similar results to yours. If I were you I would back up all your data and try a few different QFIL to see if you have any luck. I flashed the LATEST QFIL (not using miflash etc) and have never had any issues with my zuk
1qazwsx4 said:
Not that this will help but in the past I had issues with Samsung OEM ROMs I flashed using ODIN (equivalent to our QFIL) a firmware from another country and for some reason even though technically my phone WAS compatible, I would have similar results to yours. If I were you I would back up all your data and try a few different QFIL to see if you have any luck. I flashed the LATEST QFIL (not using miflash etc) and have never had any issues with my zuk
Click to expand...
Click to collapse
Thanks for that. I agree it might be the cause of the issue, something like what you describe. It would make sense because I have only found 2 other people on XDA with the same issue, and the problem happens on every ROM I have tried. I have owned the ZUK Z2 since 2016 and only now, in these past 2-3 months, am I experiencing these problems with Wi-Fi disconnecting.
From what I can see the latest QPST is 3.5.389 ST, so I will try flashing that next week (once I'm back from vacation) and see what happens!
1qazwsx4 said:
Not that this will help but in the past I had issues with Samsung OEM ROMs I flashed using ODIN (equivalent to our QFIL) a firmware from another country and for some reason even though technically my phone WAS compatible, I would have similar results to yours. If I were you I would back up all your data and try a few different QFIL to see if you have any luck. I flashed the LATEST QFIL (not using miflash etc) and have never had any issues with my zuk
Click to expand...
Click to collapse
Well, I tried flashing the 3.5.389 ST QPST and then flashing LineageOS 16.0 on top of that, but the problem is still the same. Wi-Fi disconnects for a few seconds whilst using the device, and also whilst the device is in sleep mode. Except when it disconnects in sleep mode, it will NOT reconnect meaning I miss all kinds of notifications until I manually check my device.
The frustrating thing is I don't know for sure whether it's something to do with my home broadband or router. But all of my other devices (such as Windows laptop) STAY connected at the same time my ZUK looses connection. So I have to assume it is software-related on the ZUK.
If I can't solve this soon I will just go out and buy a new phone. I can't deal with missing important notifications. It is sad because I really liked this phone and have kept it for 2½ years. I don't understand why this problem suddenly started because it was fine before.
P650SE said:
Well, I tried flashing the 3.5.389 ST QPST and then flashing LineageOS 16.0 on top of that, but the problem is still the same. Wi-Fi disconnects for a few seconds whilst using the device, and also whilst the device is in sleep mode. Except when it disconnects in sleep mode, it will NOT reconnect meaning I miss all kinds of notifications until I manually check my device.
The frustrating thing is I don't know for sure whether it's something to do with my home broadband or router. But all of my other devices (such as Windows laptop) STAY connected at the same time my ZUK looses connection. So I have to assume it is software-related on the ZUK.
If I can't solve this soon I will just go out and buy a new phone. I can't deal with missing important notifications. It is sad because I really liked this phone and have kept it for 2½ years. I don't understand why this problem suddenly started because it was fine before.
Click to expand...
Click to collapse
After you flashed the QPST did you boot into the rom and try using oem zuk to see if it resolved your issue? Apparently that fixes quite a few problems but requires actually booting into the rom. If you flashed an official QTSP using deep flash (not miflash) anf it STILL has that problem then it must be internal hardware. Guessing you have tried connecting to someone elses wifi and it does the same?
1qazwsx4 said:
After you flashed the QPST did you boot into the rom and try using oem zuk to see if it resolved your issue? Apparently that fixes quite a few problems but requires actually booting into the rom. If you flashed an official QTSP using deep flash (not miflash) anf it STILL has that problem then it must be internal hardware. Guessing you have tried connecting to someone elses wifi and it does the same?
Click to expand...
Click to collapse
Thanks. Well, sometimes I visit a relatives house where I can connect to a different router, but usually I am not there long enough to test whether the phone stays connected. But in response to your other question, I did boot into the ZUI ROM after flashing the QPST. But I didn't test to see whether the problem persisted because I hate ZUI and could never use it on a daily basis when there are other, much better stock Android-like ROMs available.
I was in contact with someone else on XDA who had the EXACT same problem and he suggested trying the latest build of AEX which seemed to solve the issue for him. So currently I'm trying that but I haven't had enough time to test it, yet. So far I have not noticed the phone disconnecting but it has only been about 1 hour since I flashed the ROM. I will know more after a few days of testing.
Switching to AEX made no difference. Still no success despite wiping entire device and flashing stock ROM with QFIL. I have tried almost every Android Pie ROM including LineageOS, AEX, AOSiP and Pixel Experience. I also changed channel on my broadband router. Nothing works.
P650SE said:
Switching to AEX made no difference. Still no success despite wiping entire device and flashing stock ROM with QFIL. I have tried almost every Android Pie ROM including LineageOS, AEX, AOSiP and Pixel Experience. I also changed channel on my broadband router. Nothing works.
Click to expand...
Click to collapse
Then it may be a hardware problem, the antenna wires can be disconnected or damaged. Have you tried a stock Rom?
@1qazwsx4 @bordi21
After an entire year of this problem, I have FINALLY found a solution to my phone disconnecting whilst on home Wi-Fi. Turns out it is nothing to do with the phone or custom ROMs...
In the router settings there is an option called 'Enable IPv6 on LAN side' that is checked by default. I unticked this and now my phone is able to hold connection flawlessly!
P650SE said:
@1qazwsx4 @bordi21
After an entire year of this problem, I have FINALLY found a solution to my phone disconnecting whilst on home Wi-Fi. Turns out it is nothing to do with the phone or custom ROMs...
In the router settings there is an option called 'Enable IPv6 on LAN side' that is checked by default. I unticked this and now my phone is able to hold connection flawlessly!
Click to expand...
Click to collapse
Glad you got things worked out mate ?

Question Problems with mobile data - Stop working but looks good

Hi,
I own a Xiaomi 11 Lite 5G NE. I have updated to the latest MIUI Official V12.5.8.0.RKOEUXM.
From the beginning, I'm facing the issue that mobile data is not working. You're navigating and suddenly all stop and finally it shows the error no network.
After restarting is working fine again but it's very annoying. I've been looking for help but nothing found has helped.
Is anyone else facing this issue?
Thanks for your help and time!
Post seen by 26 people so far and no answers.
I suppose then mobile data is working fine for all of you... Mmm... My bad, it looks I will need to use the guarantee...
My mobile data works fine, but i noticed that phone sometimes drops WIFI connection.
raulci said:
Post seen by 26 people so far and no answers.
I suppose then mobile data is working fine for all of you... Mmm... My bad, it looks I will need to use the guarantee...
Click to expand...
Click to collapse
Hey. There
For some Days I also having mobile data problems. My phone så browser says No internet connection..
When i turn phone off or disable mobile data off for 30 min IT Works for a short period, then IT stopps again. I can use Wi-Fi at home.
I have factory restored my Device but its didnt helped. Swiched to second sim slot and nothing..
Gould be cool od someone knew how to fix it. Or need to send it in. Had this phone 3 months .
Specs..
Xiaomi 11 Lite 5G NE
MIUI 12.5.7.0 stable
Model 2109119DG
Same problem here. I'll preface this by saying that I work in a place where the reception isn't great, but with my old Huwaei it never happened.
When I lock the smartphone and then unlock it after a while it shows 4G+ but in reality there is no connection.
Last night at the gym (in a basement where the reception is zero) after I left it wouldn't pick up the network again.
To solve it I have to put on and take off the airplane mode.... Very very frustrating.
I also replaced the sim card with a new one but no dice.
MIUI 13.0.5.0 Stable
Thanks all for the replies.
So I'm not alone, but it looks that some people have not issues.
Looks also problem is on MIUI 12.5 and also on MIUI 13.
I think it is a hardware problem, not software.
In these days Ill take it in assistance and I will update you.
Unfortunately, it has been too many days since my purchase and I can no longer return it. Super regretful that I didn't get a samsung a52s!
Need to that we had igły weather here with lightnings and storm . Many trees was Tilted.
But checked mobile operatora site and nothing there.
ddanielee said:
In these days Ill take it in assistance and I will update you.
Unfortunately, it has been too many days since my purchase and I can no longer return it. Super regretful that I didn't get a samsung a52s!
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Thanks, let us know what they say.
Hey again.
I have talked with my phone carrier..
Tv'et said that there ser problems with the antennas or something and in some Days they will fix it . They said i need to chance from LTE to 3G till its fixed..
They should have write something on their homepage. Will have helped , so I didnt had to factory reset.
That's All for now.. Have nice weekend you All.
Hope you will have yours problem fixet.
Bye
I also had major issues with my mobile network on 1 of the simcards. (I am using dual sim)
If your provider supports 5g then call with the dialer *#*#4636#*#*
you will see a menu with 3 options. the first selection is simcard 1 the second simcard 2.
change the prefered network type to NR / LTE / GSM /WCDMA or whaterver ur provider is supporting, NR = 5G network.
Make sure you disable VoLTE for both the sim cards since this was disabling my download from mobile networks.
hi guys, yesterday I took my cell phone out of repair. They replaced the motherboard and now it seems to be working fine, no signal loss.
ddanielee said:
hi guys, yesterday I took my cell phone out of repair. They replaced the motherboard and now it seems to be working fine, no signal loss.
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Hi @ddanielee , that's a great news!
Is it still working since then? All fine?
Did they say something if this is a common issue?
Thanks for your comments and feedback!
raulci said:
Hi @ddanielee , that's a great news!
Is it still working since then? All fine?
Did they say something if this is a common issue?
Thanks for your comments and feedback!
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Hi Raulci, i replied u in the other thread!
Just wanted to let you know that during the last weeks, I haven't experienced any other mobile data issue again. I have changed anything. Let's see if it continues this way.
Yes its a problem. Initially i thought its miui 13 problem. But reading above comments with slow speed/ 4g connectivity issues in 12.5 it seems its hardware related. Inferior modem or low quality antennas could be the case. I was hoping to fix by reverting to 12.5.
Same problem i have mi 11 x i even go to the service centre they factory restart my device and it's not fixed they said it must bu hardware problem
imJuned said:
Same problem i have mi 11 x i even go to the service centre they factory restart my device and it's not fixed they said it must be hardware problem
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