[Issue] No 2g/3g Randomly at Boot Up - Nexus S Q&A, Help & Troubleshooting

Sometimes when I boot up my phone can not make any 2g/3g connections. I can't tell if this is a software issue or if this is a hardware issue with my phone. A reboot usually fixes it. Can anyone confirm please if this is a known issue with Nexus S w/ cm7 rc1 or if my phone is messing up?

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[Q] Nexus S Crashes mid-call when wifi/bluetooth is also on

Has anyone had this problem?
I can't narrow it down for sure, however, recently when I am on the phone if the wifi or bluetooth radio is on (but not necessarily in use) the whole phone crashes shortly into the call.
I can't verify which because I can't reproduce it everytime and because, of course, the phone has reset so I can't check the settings!
Total stock rom. This would be my second one with hardware issues

[Q] phone reboots during phone calls

hey guys, ever since i rooted and put viper rom on my device it reboots during phone calls, but even now that i flashed back to stock rooted it still happens. Any one else having this issue or know of a fix? this is the new black one from t-mo not sure if that makes a difference.
I'm having reboot problems involving Call Recording being used with Wifi Calling. Separate issue....but may disabling wifi calling would fix your problem? I've also read elsewhere that there have been past HTC problems with Wifi calling.

Intermittent Data/Cell -Exclamation Mark in Signal Indicator

This happens on every Lollipop ROM I have flashed, no problems on 4.4 ROMS. I do clean installs, do not restore anything from Tibackup. So basically what happens is I will randomly but very frequently lose all data and cell service. Like once every three minutes frequently. It only lasts about 5 seconds at a time. The signal bar triangle will have an exclamation mark in it (see attached example). I delete and re-enter my APN, turn off wifi AND the Scanning Always Available option. I have read some threads about this exact same thing happening on Nexus 5 after Lollipop update but they are old and it seems to have been fixed with an update. Does anyone have any ideas about what is going on? I'm on TMO in the US and like I said, it ONLY happens on Lollipop ROMs it does not happen of Kitkat.
I read this as sort of an explanation as to why but nothing as to how to fix it. It is driving me insane.
I'm in the same boat, I cant make calls with hangouts or with Dialer or it will disconnect. I haven't seen a solution yet. I've tried every ROM I can, but it keeps crashing. drives me up a wall. I want to logcat it, but having issues while at work.
budm said:
I'm in the same boat, I cant make calls with hangouts or with Dialer or it will disconnect. I haven't seen a solution yet. I've tried every ROM I can, but it keeps crashing. drives me up a wall. I want to logcat it, but having issues while at work.
Click to expand...
Click to collapse
Only discussion about this I have seen is in the Nexus 5 forums, nothing in OPO
Any insight to this would be greatly appreciated.
Come on guys, am I really the only one with this issue?
TigerDNA said:
Come on guys, am I really the only one with this issue?
Click to expand...
Click to collapse
You're not alone, I have this as well but I don't get the exclamation mark but instead the triangle appears completely empty, as if I have no signal at all.
anyone know a way to fix this awell? i flashed the new lolipop alpha modem and still same thing if not worse
The only time this has happened to me is when I toggle Wi-Fi. It for this every time, but have no data issues otherwise. Seems to be when switching between ip addresses. Are you possibly between towers or roaming on another network? May be the issue, but I can't say for sure. Running the lollipop rom exodus, no issues at all.
EDIT: also what baseband are you guys on? I thought I saw something similar and someone flashed a test baseband and it fixed whatever issue they were having. Link coming shortly.
EDIT 2: just now noticed the list above mine about the alpha modem and it not working for them. If anyone else needs to try however, link is http://forum.xda-developers.com/sho... work for some and not others.
from the one+
Does anyone know if we can flash the CM11S modem on CM12?
Go to Settings -> More - > Mobile Networks. Make sure all the items are set correctly.
alleykat2561 said:
Go to Settings -> More - > Mobile Networks. Make sure all the items are set correctly.
Click to expand...
Click to collapse
In OP "I delete and re-enter my APN, turn off wifi AND the Scanning Always Available option."
Same issue here. Running SlimSaber using alpha radio.
Same problem on two OPOs here, both running Temasek CM12
Anyone found a solution yet?
I have the same issue on CM12, BlissPop and Validus ROMS.
Strangely I do NOT have the issue on Euphoria.
Think it happened after I flashed the Alpha L modem.
Tried flashing an older CM11S modem, but no luck...
Hi,
Sorry for the noob answer but anybody tried settings>mobile networks>preferred network type and set it to 3G? I flashed a new rom from stock CM and noticed that I was experiencing signal trouble, I checked my status and the signal detected is LTE so I changed my network to 3G and network signal improved. Downside is that you cant use LTE (but thats ok for me since here in our country, LTE signal is still kind of limited)
Zino same for me. Ever find a fix or a rom that doesn't do this?
OP here, it's strange that all of us have this issue, the same issue that came up on the Nexus 5 thread when L was first released but know one else seems to have any knowledge of it. I am almost certain it doesn't have to do with our carriers but rather something software related.
I'm also suffering from this issue, until now the only way I knew how to fix it was to wipe the cache in recovery which takes ages!
got the same problem :<
I have a similar issue. I use t mobile in the USA and LTE works, H+ works, but 3g shows signal and won't load anything. No idea how to fix it.

[Q] [D850] Phone call problems...

I've noticed that on every lollipop build I've tried, in getting phone call hang ups. Sometimes 5 seconds into a call, sometimes 30. It doesn't happen on speaker. I make a conscious effort to keep the phone away from my face so I don't accidentally hang up by touching anything. Am I the only person this is happening to? Anyone else? Anyone find the root of the problem? I've tried wiping and clean flashing all the custom Roms and nothing has fixed this problem.
Also noticing in not able to connect to 5g Wi-Fi either.

Moto G Power (2020) Phone App/Calling Randomly Stops Working

Hi everyone. I have a 2020 Moto G Power that uses the Verizon LTE network but is unlocked and on a Straight Talk plan. I bought it used and it has Android 11 on it. Build number is RPMS31.Q1-54-13-6 and is all stock, but it just had a security update overnight, so not the same that i've been having the issue on.
The problem I'm having with the phone is that I noticed that calling will randomly not work. I'll try to make a call, there will be no audible sounds on the handset like the normal ringing or anything, and the call will just hang up after a few seconds. I've been fixing it temporarily by rebooting the phone and it starts working after it comes up.
The issue appears to be either with the whole phone, or just the Phone app/calling in general. I only ever checked the calling function before trying to mitigate it with a reboot.
Has anybody heard of this kind of issue, know what might be causing it, or know any steps to troubleshoot it or permanently fix it?

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