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This has been bugging me for a while and google doesn't give me anyone with a similar problem.
After the second or third call I make, after a reboot, the cell network just drops. It's as if I was inside a tunnel, no signal.
If I go in Settings -> more... , the last item "Mobile networks" is greyed out and I can't access it.
It's like the chip came out or something and the OS doesn't find it... I don't know.
All I know is that a reboot returns the connection to the GSM network.... but that's inconvenient.
Does anyone know of a reason why this might happen? And how to fix ?
How old is your SIM card?
A friend of mine has the same problem and his SIM card is over 10 years old. I'm telling him to exchange it for a new one at his operator. When he finds time he'll do it. I can report back if it helped.
Sent from my pool filled with printer ink
pocaracas said:
This has been bugging me for a while and google doesn't give me anyone with a similar problem.
After the second or third call I make, after a reboot, the cell network just drops. It's as if I was inside a tunnel, no signal.
If I go in Settings -> more... , the last item "Mobile networks" is greyed out and I can't access it.
It's like the chip came out or something and the OS doesn't find it... I don't know.
All I know is that a reboot returns the connection to the GSM network.... but that's inconvenient.
Does anyone know of a reason why this might happen? And how to fix ?
Click to expand...
Click to collapse
I too experience exactly same problem my model is LG-E455
My friend exchanged his old SIM card for a new one. The problem is still there :/
Sent from my A0001
Have you tried to reinstall firmware with lg update windows app?
kentax said:
Have you tried to reinstall firmware with lg update windows app?
Click to expand...
Click to collapse
Please explain how to do that
Almost a year later.... sorry about being away.
A few months ago, my phone ran into some weird trouble and it did a full system reset...
I took advantage of that to unroot it and let an update install (which was available for a while, but refused to due to having the phone rooted).
Since that update, I don't remember suffering this problem any longer.
So yeah, just perform the official update, if you have one available:
- Settings -> About phone -> Software Update
I'm now on build number JZO54K, Software version E46010p-EUR-XX, kernel 3.4.0 and it just works.
Hi, my sister's unrooted HTC One on stock 4.4.3 has a phone call issue. She'll call someone but they can't hear her and she can't here them. If this happens, she does a reboot and when she makes a phone call it'll connect. After a certain amount of time the phone call issue will appear again.
Has anyone else experienced this? This also happens on my GF's rooted HTC One running Viper rom.
dragonsamus said:
Hi, my sister's unrooted HTC One on stock 4.4.3 has a phone call issue. She'll call someone but they can't hear her and she can't here them. If this happens, she does a reboot and when she makes a phone call it'll connect. After a certain amount of time the phone call issue will appear again.
Has anyone else experienced this? This also happens on my GF's rooted HTC One running Viper rom.
Click to expand...
Click to collapse
Have your sister copy all of her personal data and files off of the phone and perform a factory reset through Settings. If that doesn't work, then have her download and the run the T-Mobile RUU assuming she is on T-Mobile. Again make sure all of her personal files and data has been removed from the phone.
majmoz said:
Have your sister copy all of her personal data and files off of the phone and perform a factory reset through Settings. If that doesn't work, then have her download and the run the T-Mobile RUU assuming she is on T-Mobile. Again make sure all of her personal files and data has been removed from the phone.
Click to expand...
Click to collapse
Thank you! She is on t-mobile. I will help her with this and report back.
This literally just started happening to me as well. T-Mobile HTC One on ViperROM 7.0.0.
I made a phone call Sunday (12/7) no problem. Now all of a sudden no audio in either direction using the default phone app. But hangouts dialer has no issues.
This just started happening to me as well! When I'm on wifi calling, I'm able to make a phone call without any issues. But 2 times this week when I tried to make a call when I wasn't on wifi, it was a dead call where I couldn't hear the caller and she couldn't hear me.
I have an unrooted t-mobile HTC One.
Any one have any ideas as to what could be the cause of the issue?
EDIT: It appears to be caused by the HTC lock screen on the google play store which was recently updated. Hopefully a fix will be released soon.
jpzsports said:
This just started happening to me as well! When I'm on wifi calling, I'm able to make a phone call without any issues. But 2 times this week when I tried to make a call when I wasn't on wifi, it was a dead call where I couldn't hear the caller and she couldn't hear me.
I have an unrooted t-mobile HTC One.
Any one have any ideas as to what could be the cause of the issue?
EDIT: It appears to be caused by the HTC lock screen on the google play store which was recently updated. Hopefully a fix will be released soon.
Click to expand...
Click to collapse
Where did you hear about this? I'm having the exact same issue. I'm on Viper 7.0.1. Restarting the phone doesn't work but a flashing the rom fixes it again for a little bit. Trying to find the cause of the issue so I can correct it without having to wipe my device again.
Well I ran the new RUU to return my phone to bone stock. Calls work after this no problem. So i started re-installing all my apps via titanium backup and today I get a phone call, same thing no audio either direction. This is on the stock ROM, i never re-installed Viper.
I'm going to do a TWRP back up and do a factory reset and not install any apps to see if the problem comes back.
---------- Post added at 11:42 AM ---------- Previous post was at 11:36 AM ----------
jpzsports said:
EDIT: It appears to be caused by the HTC lock screen on the google play store which was recently updated. Hopefully a fix will be released soon.
Click to expand...
Click to collapse
Just noticed the edit. Can you let us know the source of this info please?
More info here: http://forum.xda-developers.com/htc-one/help/m7-mute-calls-please-help-t2921985/page8
HTC is taking responsibility for it, but I don't think it's clear if it's HTC or Google's fault. Either way, HTC pushed an ota for an Australian carrier that fixes the issue, and the venom guys released a flashable fix a little earlier today for their ROM. As far as stock tmobile users, I have no idea nor have heard of a permanent or even a solid temporary fix that normal users could do, i.e. my wife.
Google hangouts dialer does work. I used it today to call people back once they called me and we couldn't hear each other There are other calling apps, but this one is nice cuz you don't have to sign up for anything, it's just Google which we all obviously use already.
Sent from my HTC One using Tapatalk 2
Just got an update from T-mobile to fix this. OTA
All of a sudden I can no longer use my phones data. WiFi works and calls/text works but no internet. Tech support has opened a ticket but does anyone know what's up?
Rooted, venom rom.
nash2000 said:
All of a sudden I can no longer use my phones data. WiFi works and calls/text works but no internet. Tech support has opened a ticket but does anyone know what's up?
Rooted, venom rom.
Click to expand...
Click to collapse
So no recent changes on the phone that may have caused this? New ROM, new apps, settings changed, anything like that?
Make sure its not something silly, like Mobile Data toggled off somehow (maybe by an app or widget?). Check your APN.
If no recent changes, just might be an issue on AT&T's part, such as a network issue or they screwed up something on your account. For that matter, did you happen to make any changes to your account recently? I've seen instances where they have accidentally shut off folks data plans while making other unrelated changes.
If you have an AT&T store nearby, you can try to take it there. They can not only take a look at your account to make sure it properly provisioned, but can also give you a new SIM for free, to eliminate that as the problem.
redpoint73 said:
So no recent changes on the phone that may have caused this? New ROM, new apps, settings changed, anything like that?
Make sure its not something silly, like Mobile Data toggled off somehow (maybe by an app or widget?). Check your APN.
If no recent changes, just might be an issue on AT&T's part, such as a network issue or they screwed up something on your account. For that matter, did you happen to make any changes to your account recently? I've seen instances where they have accidentally shut off folks data plans while making other unrelated changes.
If you have an AT&T store nearby, you can try to take it there. They can not only take a look at your account to make sure it properly provisioned, but can also give you a new SIM for free, to eliminate that as the problem.
Click to expand...
Click to collapse
No changes at all, same Rom for months and months. AT&T couldn't find anything but a tech guy will call be back within 36 hours. Should I just reset the phone
nash2000 said:
Should I just reset the phone
Click to expand...
Click to collapse
You mean a factory reset, or just reboot? I'd certainly try a reboot (if you haven't already).
Factory reset might not hurt (might even solve the issue) as long as you have a method to back up all your data (Titanium, etc.). But it seems a little drastic, to me.
Did you try to toggle off LTE, and see if you can get any data? Folks have had some issues with Viper (and other "Euro" based ROMs) on AT&T's LTE network. Although its mostly been with voice calls while on LTE. So its just a bit of a shot in the dark on my part.
redpoint73 said:
You mean a factory reset, or just reboot? I'd certainly try a reboot (if you haven't already).
Factory reset might not hurt (might even solve the issue) as long as you have a method to back up all your data (Titanium, etc.). But it seems a little drastic, to me.
Did you try to toggle off LTE, and see if you can get any data? Folks have had some issues with Viper (and other "Euro" based ROMs) on AT&T's LTE network. Although its mostly been with voice calls while on LTE. So its just a bit of a shot in the dark on my part.
Click to expand...
Click to collapse
I've done multiple reboots and toggle data a few times as well. Not sure what else to do, certainly not waiting 2 days for att to get back to me.
It hasn't been blacklisted has it. Bc similar situation happen to me :/
Sent from my HTC One_M8 using Tapatalk
I tried to changed APN manually to rogers but still data does not work, only call and text works. Is there a solution to this? I believe i got Pro 2 (cn with global rom installed)
I had the same issue, below is the APN setting on Rogers website, I've found that if you make the following changes, it will connect to 4G data (until you restart your device)APN Type: replace "internet + mms" with "*"
MVNO: ROGERS
MVNO type: SPN
This will get you connected.
However, I ran into another problem after configuring the network this way. After restarting the device, the phone can no longer detect the SIM card, and has an error message prompting restart).
This is my problem after restarting:
Comparing with other phones, the auto detected APN Type is typically "default", but entering default will cause the connection issue right away. The "*" will allow you to run until device reboot.
I too would like help on how to resolve this. Seems more software than hardware problem since it only fails after boot.
Mobile APN Settings
Parameter NameParameter ValueAPNltemobile.apnMMSC
http://mms.gprs.rogers.com
MMS Proxymmsproxy.rogers.comMMS Port80APN Typeinternet + mmsAPN ProtocolIPv4/IPv6APN Roaming ProtocolIPv4/IPv6All other settingsBlank/default value
@GSKC
I just tried your method looks like it works and as you said it doesn't work after reboot. However when I did "Network setting reset," I was able to connect to 4g again (but resets wifi passwords too). Hopefully there's a solution...
I noticed that this problem only happens if there is a SAVED wifi network WHEN the device BOOT up.
I did a factory reset, then enter the APN manually. I was able to connect to stable network.
I did a system restart, no issue. The phone reconnects to the network automatically after booting.
I connect to a wifi network. The phone still works fine.
I restart the device again, the problem comes back.
If I take out the SIM and only use the Wifi, the phone is also okay.
The only time when it doesn't work is when I have both, which is the normal use case.
Something is happening in the firmware between the wifi and the SIM during the boot sequence.
This problem exists on my Lenovo L70081, Legion Phone Duel 2 Pro, running OS 12.5.188 ST, updated using Rescue and Smart Assistant v5.8.0.25
Any help would be appreciated.
GKSC said:
I noticed that this problem only happens if there is a SAVED wifi network WHEN the device BOOT up.
I did a factory reset, then enter the APN manually. I was able to connect to stable network.
I did a system restart, no issue. The phone reconnects to the network automatically after booting.
I connect to a wifi network. The phone still works fine.
I restart the device again, the problem comes back.
If I take out the SIM and only use the Wifi, the phone is also okay.
The only time when it doesn't work is when I have both, which is the normal use case.
Something is happening in the firmware between the wifi and the SIM during the boot sequence.
This problem exists on my Lenovo L70081, Legion Phone Duel 2 Pro, running OS 12.5.188 ST, updated using Rescue and Smart Assistant v5.8.0.25
Any help would be appreciated.
Click to expand...
Click to collapse
Im on the same OS version 12.5.188ST, my phone connected to data absolutely fine with no problems but after every few hours stop making or receiving calls. I did the following and its fine for some time now but I'm not sure whether this will work with every phone but no harm in trying :
settings.....cellular network and sim.....5G mode. By default (at least in my phone) it is on NSA, I first switched to NSA+SA but to no avail, than I switched to SA and vola problem solved, all incoming outgoing calls working bang on but I think now my phone doesn't go on 5g which is still not good but at least making calls as normal. Now, as I said, this procedure might not work for everyone but try it, cheers.
vtec303 said:
Im on the same OS version 12.5.188ST, my phone connected to data absolutely fine with no problems but after every few hours stop making or receiving calls. I did the following and its fine for some time now but I'm not sure whether this will work with every phone but no harm in trying :
settings.....cellular network and sim.....5G mode. By default (at least in my phone) it is on NSA, I first switched to NSA+SA but to no avail, than I switched to SA and vola problem solved, all incoming outgoing calls working bang on but I think now my phone doesn't go on 5g which is still not good but at least making calls as normal. Now, as I said, this procedure might not work for everyone but try it, cheers.
Click to expand...
Click to collapse
Thanks for the suggestion, unfortunately setting the 5G setting didn’t help. I also tried disabling 5G but I still have the issue.
Was your OS able to read the APN from your SIM or did you have to enter the APN manually also?
GKSC said:
Thanks for the suggestion, unfortunately setting the 5G setting didn’t help. I also tried disabling 5G but I still have the issue.
Was your OS able to read the APN from your SIM or did you have to enter the APN manually also?
Click to expand...
Click to collapse
I didn't mess about with apn, as I said in my earlier post I had no problems using data its always connected but I had problems with making and receiving calls, cheers
There's currently two ROM available on Rescue and Smart Assistant:
L70081_ROW_SECURE_USER_Q00017.0_R_ROW_12.5.188_ST_210819_qpst
L70081_EE_SECURE_USER_Q00017.0_R_ROW_12.5.137_ST_210710_sec_qpst
What's the difference between ROW and EE rom?
Which would work best in Canada and US?
is ROW only updated in Asia and Pacific?
i sort of had this same problem with Tmobile. it would only connect to 3g . if i connected to the 4g or 5g network i lost everything . i was able to fix it using my ROOTED phone and an app in the playstore called network guru. I used that to turn off majority of the network bands and only left the ones listed for the phone. My service was immediately fixed and havent had any trouble since
tinman4209333 said:
i sort of had this same problem with Tmobile. it would only connect to 3g . if i connected to the 4g or 5g network i lost everything . i was able to fix it using my ROOTED phone and an app in the playstore called network guru. I used that to turn off majority of the network bands and only left the ones listed for the phone. My service was immediately fixed and havent had any trouble since
Click to expand...
Click to collapse
Can you go into more detail and steps? I actually switched from tmobile to att after I couldn't get it work. I would rather be on tmobile.
superrama said:
Can you go into more detail and steps? I actually switched from tmobile to att after I couldn't get it work. I would rather be on tmobile.
Click to expand...
Click to collapse
I know how ya feel, I pestered TMobile for 2 weeks and they were no help. They kept trying to push me off to Lenovo who was absolutely no help at all. Id go thru their website which connects you to Motorola. Then they would tell me they don't support the phone because it's Lenovo and give me a link to follow. Id follow that link which led me right back to Motorola lmfao.
After 4-5 times of going thru that nonsense I finally got someone who knew what they were doing. They told me because this phone was never released in the US I need to go thru their European server for assistance. Screw that, I did some more research and got the idea of trying this from some ancient post I found on xda lol.
It's actually very easy as long as your phone is rooted. download the app, click the 3 dots and go into force control. Then adjust the carrier bands so only the ones supported by the phone are selected. Then reboot your phone and it should kick over to a working signal . If not ya might have to monkey around in the service menu using the dial code *#*#4636#*#*
Here's a few screenshots to give ya an idea and a link to a website with all the bands listed. https://www.kimovil.com/en/frequency-checker/US/lenovo-legion-2-pro
tinman4209333 said:
I know how ya feel, I pestered TMobile for 2 weeks and they were no help. They kept trying to push me off to Lenovo who was absolutely no help at all. Id go thru their website which connects you to Motorola. Then they would tell me they don't support the phone because it's Lenovo and give me a link to follow. Id follow that link which led me right back to Motorola lmfao.
After 4-5 times of going thru that nonsense I finally got someone who knew what they were doing. They told me because this phone was never released in the US I need to go thru their European server for assistance. Screw that, I did some more research and got the idea of trying this from some ancient post I found on xda lol.
It's actually very easy as long as your phone is rooted. download the app, click the 3 dots and go into force control. Then adjust the carrier bands so only the ones supported by the phone are selected. Then reboot your phone and it should kick over to a working signal . If not ya might have to monkey around in the service menu using the dial code *#*#4636#*#*
Here's a few screenshots to give ya an idea and a link to a website with all the bands listed. https://www.kimovil.com/en/frequency-checker/US/lenovo-legion-2-pro
Click to expand...
Click to collapse
How do you root the phone?
GKSC said:
How do you root the phone?
Click to expand...
Click to collapse
Tutorial: How to Update, Unlock bootloader and Root your CN with Global Rom phone
I received my phone today from Aliexpress and was able to update, unlock bootloader and root my phone so I want to share the steps. Follow them at your own risk, I take no responsibility for any issues or bricking. You should always backup your...
forum.xda-developers.com
When I first got my phone a cpl years ago, I had really good cell service. There were "dead" zones that other phones had issues with, but I was able to keep talking while going through those zones. I could also use data in those areas.
I don't remember exactly when, but when Cricket/ATT sent an OS update several months back, I no longer get that good of service. The dead zone is actually now much larger than it had been. I also can no longer use my phone inside the house, or even send/receive txt messages without having to set the phone near the outside wall, or step outside.
Is there any way possible to downgrade? Or maybe root and change some setting somewhere? I've already tried doing a factory reset, and that did nothing. Reset APN's to defaults, nada. Even did a Wifi/BT/Network reset to defaults, no go.
Moto G Power (2021) XT2117-1
Android 11
Kernel 4.19.157-perf+
Build number RZBS31.Q2-143-27-9
Baseband version HA10_29.11.02.95.01R BORNEO_NA_CUST
KorishanTalshin said:
When I first got my phone a cpl years ago, I had really good cell service. There were "dead" zones that other phones had issues with, but I was able to keep talking while going through those zones. I could also use data in those areas.
I don't remember exactly when, but when Cricket/ATT sent an OS update several months back, I no longer get that good of service. The dead zone is actually now much larger than it had been. I also can no longer use my phone inside the house, or even send/receive txt messages without having to set the phone near the outside wall, or step outside.
Is there any way possible to downgrade? Or maybe root and change some setting somewhere? I've already tried doing a factory reset, and that did nothing. Reset APN's to defaults, nada. Even did a Wifi/BT/Network reset to defaults, no go.
Moto G Power (2021) XT2117-1
Android 11
Kernel 4.19.157-perf+
Build number RZBS31.Q2-143-27-9
Baseband version HA10_29.11.02.95.01R BORNEO_NA_CUST
Click to expand...
Click to collapse
Before trying other solutions (e.g., downgrading to Android 10), you may want to consider contacting your service provider to see if there is an updated sim card available for Android 11. If your phone is similar to mine, there is no longer the + sign to add new apn's in your network settings. The apn is hard coded on the sim card with no option now to change it in network settings, which would have perhaps been the simplest solution. The other option is to see if there is an update for the apn that your service provider can push through for installation.
sdembiske said:
Before trying other solutions (e.g., downgrading to Android 10), you may want to consider contacting your service provider to see if there is an updated sim card available for Android 11. If your phone is similar to mine, there is no longer the + sign to add new apn's in your network settings. The apn is hard coded on the sim card with no option now to change it in network settings, which would have perhaps been the simplest solution. The other option is to see if there is an update for the apn that your service provider can push through for installation.
Click to expand...
Click to collapse
Ahhh, ok. Good point! Thanks. I'll contact Cricket and see if they may have one. I hadn't even thought of possibly needing an upgraded SIM card.
And yes, you are correct, the APN is all greyed out and the + is missing. I can't even access it from 3rd party options.
KorishanTalshin said:
Ahhh, ok. Good point! Thanks. I'll contact Cricket and see if they may have one. I hadn't even thought of possibly needing an upgraded SIM card.
And yes, you are correct, the APN is all greyed out and the + is missing. I can't even access it from 3rd party options.
Click to expand...
Click to collapse
While I appreciate your 'Thanks', please learn to use the 'Like' button when logged in (previously known as the 'Thanks' button). It's a longstanding XDA courtesy when members try to help or provide roms/guides etc,. for members use.