[Help] Brand New Defy Random Rebooting problem. - Defy General

i have bought a brand new defy. unboxed it and started using it....
within a day of using it, it started randomly rebooting time and again.....
now it reboots like once in every five minutes....
its brand new, i havent installed any apps as yet....
tried doing a factory reset but that didnt work too....
what might be the problem?
any help would be greatly appretiated...
thanks

You have tried Stock Recovery rite???, Root and try other ROM...Best of Luck

RMA it if possible, I did that and got a new one that's working fine.

also my battery gives me 4-5 hrs usage Max....
i guess i'll just go for an RMA

Moto problems..
take it to the moto guys. they will replace it.

Anybody knows where to initiate a RMA in Germany?

Curious, but have you tried rebooting without your SIM? Also, have you moved to a different location so you would be accessing a different cell tower?

scrannel said:
Curious, but have you tried rebooting without your SIM? Also, have you moved to a different location so you would be accessing a different cell tower?
Click to expand...
Click to collapse
no i havent tried rebooting without my sim. i will do that and let you know what happens.
Another thing that i've noticed is that... i dont face the rebooting problem when i connect the phone to power....it happens only when its on battery power.....
i am always on the move so i keep switching towers.... it reboots randomly regardless of location/tower...

I wrote this guide a long time back. It took me a long time to find out why it happens. Finally did it.
http://forum.xda-developers.com/showthread.php?t=956659
Before doing anything try the 3G fixes and change the radio bands. Then if it does not work try to return it safely in case there is a hardware issue. If this continues, do what i have told in that thread.

@Scrannel...
i tried rebooting without the SIM. Kept it on for 4 hours and it didnt reboot....
i put the sim back in and it goes back to how it was rebooting once in every 2-5 mins
so what do u suggest i do?

anyone?.. .. ..

Maybe the problem belongs to the type of SIM card you are using.
I had the problem that with a sim card of the type number N5 my Defy reboots randomly but with the older type N3 everything is fine.
Perhaps you can get a different SIM from your provider.

definitely m gonna get my sim changed.... thanks

Related

[Q] how to start fresh?

I have a G2 rooted running CM7 RC1, but since I rooted back in January I have switched from an 8gb to a 16gb to a 32gb microSD card, and lately it has been acting up (drops calls, loses wifi, etc) so I wanted to start over with a clean slate with the latest CM ROM, kinda like reformatting a PC and starting fresh with a new OS. what would be the best way to do this? thanks in advance
Download the latest nightly of CM7: http://download.cyanogenmod.com/?device=vision and put on the root of your SDcard.
1) Enter recovery
2) Wipe data/factory reset (or use a superwipe+ .zip if you want a more "thorough" wipe).
3) Install zip from SDcard > Choose zip > CM7nightly.zip
4) Reboot System
5) Enter your gmail account, etc. get to the homescreen.
6) Fix permissions in ROM manager, reboot again.
And there's your clean slate. If you want to afterwards, you could always format your SDcard too.
rdulay8 said:
I have a G2 rooted running CM7 RC1, but since I rooted back in January I have switched from an 8gb to a 16gb to a 32gb microSD card, and lately it has been acting up (drops calls, loses wifi, etc) so I wanted to start over with a clean slate with the latest CM ROM, kinda like reformatting a PC and starting fresh with a new OS. what would be the best way to do this? thanks in advance
Click to expand...
Click to collapse
I would highly recommend the SuperwipeG2+ if you want a clean slate, so to speak. I had success using it to fix a GPS issue. Of course, everything Martonikaj said was exactly right - but I would definitely suggest the Superwipe tool. You simply flash from recovery rather than using the CWM factory reset option. You can find the file here:
http://forum.xda-developers.com/showthread.php?t=1044992&page=4
thanks for your replies. ive followed your steps to a T, flashed superwipe, latest cm7, google apps, reboot, fix permissions, sync my google account... but now i have more issues. i cant get tmobile wifi calling to connect, which is a major issue for me because i dont have cell reception in my house. the wifi calling app was a major reason i got the g2 in the first place. i figured it wasnt a clean install so i reflashed cm7 but get the same problem. also, my battery lasted 7 hours before dying with little use. before it died i checked and saw that cell standby had taken almost 80% of my battery use while it was just sitting untouched.
i searched these forums and there isnt much in terms of help for fixing the wifi calling app, so can anyone please help me out? i really like CM for its speed but these are issues that will force me to try a sense ROM. thanks in advance
Perhaps your build.prop needs to be configured to model: T-Mobile G2 instead of HTC Vision. I don't recall the way it's set in plain CM7. I know I had to alter it to get the T-Mobile My Account working properly.... unfortunately I don't use the Wifi Calling app so I can't be of much help in this department. I actually removed it all together.
Sent from my HTC Vision using XDA App
rdulay8 said:
thanks for your replies. ive followed your steps to a T, flashed superwipe, latest cm7, google apps, reboot, fix permissions, sync my google account... but now i have more issues. i cant get tmobile wifi calling to connect, which is a major issue for me because i dont have cell reception in my house. the wifi calling app was a major reason i got the g2 in the first place. i figured it wasnt a clean install so i reflashed cm7 but get the same problem. also, my battery lasted 7 hours before dying with little use. before it died i checked and saw that cell standby had taken almost 80% of my battery use while it was just sitting untouched.
i searched these forums and there isnt much in terms of help for fixing the wifi calling app, so can anyone please help me out? i really like CM for its speed but these are issues that will force me to try a sense ROM. thanks in advance
Click to expand...
Click to collapse
So, two things. First this battery drain... I would give it some time. Battery drain is always worse right after a flash. You might consider using the calibration app by marosige. It's free on the Market. Or you could wipe battery stats from recovery, but the application is super handy. Battery should improve with time. Mine has been excellent with all CM ROMS - after a calibration and a little time.
And while I could be totally wrong about the build.prop and the Wifi Calling app, you should check it. Using your file manager (Root Explorer or ES File Explorer, to name a few), navigate to /system folder and then find the build.prop, open it as a text document and check the lines:
ro.product.model=HTC Vision
ro.product.brand=vision
If this is what you see (above), try changing it to this:
ro.product.model=T-Mobile G2
ro.product.brand=tmobile
I've had to do this a few times in order to get T-mobile apps like My Device to work. I'd hate to see you abandon CM because of the Wifi Calling app...
T-mobile WiFi calling works fine for me on both CM7 and MIUI with a build.prop indicating HTC Vision and not T-mobile G2.
What exact error are you getting when trying to run it? Or whats happening?
As far as battery life, it will improve over time as the previous poster stated, but 7hours 100% to 0% seems a bit off unless there's a ton of heavy use.
I think I have an entirely different problem altogether. The reason my battery life was so bad was because it was searching for a network the entire time, and I can't connect to Wifi calling because T-Mobile doesn't recognize my phone. When selecting T-Mobile under network operators I get "Your SIM card does not allow a connection to this network" and when I try Wifi calling I get "You are currently not registered with the T-Mobile network. Would you like to register to enable Wifi calling?" and after selecting register I get "W005.4 T-Mobile Network Error"
I'm in over my head. I've tried rewipe data/cache, superwipe, reflash and battery/sim pull, so I guess my next course of action is to head to T-mobile and maybe ask for a new sim card?
rdulay8 said:
I think I have an entirely different problem altogether. The reason my battery life was so bad was because it was searching for a network the entire time, and I can't connect to Wifi calling because T-Mobile doesn't recognize my phone. When selecting T-Mobile under network operators I get "Your SIM card does not allow a connection to this network" and when I try Wifi calling I get "You are currently not registered with the T-Mobile network. Would you like to register to enable Wifi calling?" and after selecting register I get "W005.4 T-Mobile Network Error"
I'm in over my head. I've tried rewipe data/cache, superwipe, reflash and battery/sim pull, so I guess my next course of action is to head to T-mobile and maybe ask for a new sim card?
Click to expand...
Click to collapse
Looking back at your first post, this seems to be an extension of the same issue which inspired you to wipe and flash another ROM. I don't know if it's a radio thing, or a SIM card thing... which radio are you using, btw? Have you flashed any radios? If not, yes, I would definitely go and get a new SIM card. It could have just been going bad and now it's dead. You're not in over your head... yet. Try the new SIM card and see what happens.
yup it was the sim card... got a new one from the T-mo store and activated it and my phone is back online! had the same one since 2001 so it wasnt surprising. have never flashed a new radio so i knew that couldnt be it. thanks for your help, i think i got it from here
rdulay8 said:
yup it was the sim card... got a new one from the T-mo store and activated it and my phone is back online! had the same one since 2001 so it wasnt surprising. have never flashed a new radio so i knew that couldnt be it. thanks for your help, i think i got it from here
Click to expand...
Click to collapse
Glad you got it sorted out. I can't believe you've used the same SIM from 2001. Crazy...
rdulay8 said:
yup it was the sim card... got a new one from the T-mo store and activated it and my phone is back online! had the same one since 2001 so it wasnt surprising. have never flashed a new radio so i knew that couldnt be it. thanks for your help, i think i got it from here
Click to expand...
Click to collapse
Glad you got it figured out. I definitely wouldn't trust a SIM to hold its integrity and work properly 10 years after you got it lol.

[Q] Emergency Calls Only

Yesterday my defy using CM7.1 suddenly stopped receiving any signal and says emergency calls only. For the past month it's been running great on CM7.1. Before it stopped working I did patch a program. Something pointless like flashlight or something. It was also charging on a car charger.
I checked the basebands and swapped them around and still nothing. I cleared my caches and still nothing. I've even reset all user data and still nothing.
I don't have a backup of stock motoblur so I can't test that.
I put my sim in a dumb phone or an older smart phone and it works fine.
Anyone know of what else I could try?
I had the same problem two days ago, but I'm lucky to check DEFY Baseband and then signal is normal.
i already changed the basebands around and still nothing.
I had something similar happen on the nightly from the 20th, even reboot stopped fixing the problem. Happy to report problem is gone on latest nightly from 23rd.
Sent from my MB525 using XDA App
i never changed from the stable. the radio just died randomly one day. I flashed a whole new sbf and reinstalled cm7. still nothing.
Have you tested going back to a stock froyo to check the signal status and then again installing CM7?
Found out that it was the sim that was responsible for the emergency calls issue. It was quite strange because the same sim would work in an old touch diamond I had and the sim would also work in a dumb phone.
With a new sim calls worked again.
Although in my quest to fix the emergency call issue I've created some other issues but that will be in a new thread.
Thank you for the replies.
Please help i cant solve that problem.
try a factory reset \ wipe data
disable your code pin
Unable to change sim card pin
it gives that error.

[Q] WCDMA Mobile data issue.

Hey everbody. this is my first post on here. and I have a really annoying issue.
OK, i bought an unbranded Galaxy Note II N7100 4.1.2 jelly bean couple of months ago and that issue seemed to be there since the beginning.
It's that when I'm connected to internet through mobile data on WCDMA, all of a sudden the "received" signal (orange arrow) won't flash any more while green arrow flashes every two seconds and i have no internet access no matter what i do, the only thing that can temporarily fix this is that i restart my phone and then the internet is perfect again for a not certain interval of time and then the issue happens again, it won't come back until i restart the phone again.
Sometimes it could stay for 12 hours before it happens and sometimes i could keep restarting my phone every five minutes, it's really annoying.
I've tried all the known tricks like hard reset, deleting all apps, i disabled so many services or apps that may cause this problem, I disabled all syncing apps, i deleted, re installed APNs, i changed my SIM card and finally i subscribed for another network provider and it still happens
I'm really at a loss, I don't know what causes this problem.
Is it a hardware issue? but if it was a hardware issue, it wouldn't work at all even after restart, right? is it some bug in the built-in 4.1.2 jellybean?
And i also may say that i receive calls normally, the WIFI works perfectly and the GSM mobile data works all the time no problems, it only happens on the WCDMA ONLY or the AUTOMODE.
The H , H+ or 3G sign is up there but the orange arrow all of a sudden won't flash and no internet access at all untill i restart the phone.and this issue may start to happen even if the mobile data is off all day and when i turn it on BOOM the issue seems to be there even before turning it on.
I hope you guys can help me with this...thanks
dukemtareq said:
Hey everbody. this is my first post on here. and I have a really annoying issue.
OK, i bought an unbranded Galaxy Note II N7100 4.1.2 jelly bean couple of months ago and that issue seemed to be there since the beginning.
It's that when I'm connected to internet through mobile data on WCDMA, all of a sudden the "received" signal (orange arrow) won't flash any more while green arrow flashes every two seconds and i have no internet access no matter what i do, the only thing that can temporarily fix this is that i restart my phone and then the internet is perfect again for a not certain interval of time and then the issue happens again, it won't come back until i restart the phone again.
Sometimes it could stay for 12 hours before it happens and sometimes i could keep restarting my phone every five minutes, it's really annoying.
I've tried all the known tricks like hard reset, deleting all apps, i disabled so many services or apps that may cause this problem, I disabled all syncing apps, i deleted, re installed APNs, i changed my SIM card and finally i subscribed for another network provider and it still happens
I'm really at a loss, I don't know what causes this problem.
Is it a hardware issue? but if it was a hardware issue, it wouldn't work at all even after restart, right? is it some bug in the built-in 4.1.2 jellybean?
And i also may say that i receive calls normally, the WIFI works perfectly and the GSM mobile data works all the time no problems, it only happens on the WCDMA ONLY or the AUTOMODE.
The H , H+ or 3G sign is up there but the orange arrow all of a sudden won't flash and no internet access at all untill i restart the phone.and this issue may start to happen even if the mobile data is off all day and when i turn it on BOOM the issue seems to be there even before turning it on.
I hope you guys can help me with this...thanks
Click to expand...
Click to collapse
Tried flashing a custom rom?
Sent from my GT-N7100 using Tapatalk
Nope
OverDub said:
Tried flashing a custom rom?
Sent from my GT-N7100 using Tapatalk
Click to expand...
Click to collapse
Not really, im a noob when it comes to hacking my phone and afraid to brick it ...I still need to read and research about it..or maybe someone can help me. But till now id be happy with the 4.1.2 without this issue.
dukemtareq said:
Not really, im a noob when it comes to hacking my phone and afraid to brick it ...I still need to read and research about it..or maybe someone can help me. But till now id be happy with the 4.1.2 without this issue.
Click to expand...
Click to collapse
Flashing a custom ROM is really easy, and there is no way u can brick your phone if you do the steps correctly.
Sent from my GT-N7100 using Tapatalk

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
Click to expand...
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

Question Z Fold 4: Losing Network Connection When On Home Wifi (ATT)

Hello all!
Got a weird problem, that at first wasn't much of an issue. But now keeps getting worse and worse.
I'm on ATT btw
I've noticed that when I'm on my home wifi, I will randomly have the following issues:
I can't send or receive phone calls
I can't send or receive text messages
Anything network related just doesn't work
It's very random, but happens frequently, and if I turn on airplane mode then turn it back off, the issue is resolved.
I've tried:
resetting network settings on phone
resetting my home network
soft restart and hard restarting phone
I've tried connecting a router to the stock ATT router and using that as my connection
Everything I can think of, short of reformatting the phone completely which I will probably try later this week
I'm on the latest firmware
When the issue happens, I can turn off wifi and it will show 2-3 bars of network but no lte/5g/5g+ or anything. And sometimes it shows the circle with a line through it.
Thanks!
xbrad said:
Hello all!
Got a weird problem, that at first wasn't much of an issue. But now keeps getting worse and worse.
I'm on ATT btw
I've noticed that when I'm on my home wifi, I will randomly have the following issues:
I can't send or receive phone calls
I can't send or receive text messages
Anything network related just doesn't work
It's very random, but happens frequently, and if I turn on airplane mode then turn it back off, the issue is resolved.
I've tried:
resetting network settings on phone
resetting my home network
soft restart and hard restarting phone
I've tried connecting a router to the stock ATT router and using that as my connection
Everything I can think of, short of reformatting the phone completely which I will probably try later this week
I'm on the latest firmware
When the issue happens, I can turn off wifi and it will show 2-3 bars of network but no lte/5g/5g+ or anything. And sometimes it shows the circle with a line through it.
Thanks!
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Are you using an e-sim?
I have t-mobile with an e-sim and i've had this happen before. Ended up just restarting the phone.
apatcas said:
Are you using an e-sim?
I have t-mobile with an e-sim and i've had this happen before. Ended up just restarting the phone.
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Nope, using a normal sim card from ATT.
Lucky a simple restart fixed it, I'm at wits end how to fix this issue....making work very difficult lol
Going to run phone without wifi today and see if the issue comes up off wifi.
Okay, so tested today without using wifi. And while not as frequent, it still did lose connection just now. And I had to toggle wifi off/on for it to regain connection....
Guess my last step is to reformat the phone
Just got the fold4 on T-Mobile and had the same issue over the weekend.
Randomly stops getting service, have bars but no data, sim says unknown. Disable then reenable sim and it works until next time.
Cleared cache, cleared network settings, remove and reinserted sim.
Today is my first day without losing network.
hamagc said:
Just got the fold4 on T-Mobile and had the same issue over the weekend.
Randomly stops getting service, have bars but no data, sim says unknown. Disable then reenable sim and it works until next time.
Cleared cache, cleared network settings, remove and reinserted sim.
Today is my first day without losing network.
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Interesting, going to try some stuff tomorrow to see what I can figure out.
I was away from my house and had no issues, so starting to think maybe it's my location....but not sure.
Interesting, I've been getting this occasionally on my fold 4 with tmobile. I'll have apps that wont update data with a 'you're not connected to the internet' error. I recently added duck duck go browser and enabled the app tracking blocker. I've been wondering if the duck go vpn is the cause. Do you use any sort of vpn?
MovingZen said:
Interesting, I've been getting this occasionally on my fold 4 with tmobile. I'll have apps that wont update data with a 'you're not connected to the internet' error. I recently added duck duck go browser and enabled the app tracking blocker. I've been wondering if the duck go vpn is the cause. Do you use any sort of vpn?
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Yeah I use ProtonVPN, used to use alwayson but ended up turning it off as it was interfering with my Tesla Key function. But whether it's on or off, I still get the issue.
I haven't reformatted my phone just yet, but the issue has reduced a bit the last few days. I'm not sold on it being my phone as this literally only happens while at home.....really bizarre honestly.
Also got an issue now with android 13 that it won't work with my Tesla half the time. It just doesn't recognize my phone as my key .-. really tilting xD
xbrad said:
Yeah I use ProtonVPN, used to use alwayson but ended up turning it off as it was interfering with my Tesla Key function. But whether it's on or off, I still get the issue.
I haven't reformatted my phone just yet, but the issue has reduced a bit the last few days. I'm not sold on it being my phone as this literally only happens while at home.....really bizarre honestly.
Also got an issue now with android 13 that it won't work with my Tesla half the time. It just doesn't recognize my phone as my key .-. really tilting xD
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Thanks for the info. It's so intermittent it's very hard to pin down. I still haven't gotten the update to 13 so hopefully that helps you narrow your search some.
MovingZen said:
Thanks for the info. It's so intermittent it's very hard to pin down. I still haven't gotten the update to 13 so hopefully that helps you narrow your search some.
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I've noticed it less with Android 13, but android 13 broke my Tesla Key functionality....so not sure that was worth the trade off xD
Yeah, I haven't been able to pin point any specific cause which is super annoying....
Well it lasted a day or 2 then happened a few times again.
As this was a new device for me, I noticed it wasn't "activated" on T-Mobiles site. I went through the activation process and that seems to have fixed it for me now (wifi calling too).
Likely unrelated to what you're experiencing but thought I'd mention it.
hamagc said:
Well it lasted a day or 2 then happened a few times again.
As this was a new device for me, I noticed it wasn't "activated" on T-Mobiles site. I went through the activation process and that seems to have fixed it for me now (wifi calling too).
Likely unrelated to what you're experiencing but thought I'd mention it.
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That's interesting though, maybe I just need to go talk to ATT as much of a pain in the ass as it is -_-*

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