[Q] NO CELL SERVICE before and after unroot. Any Ideas? - T-Mobile, Samsung Galaxy SIII

Recently, my rooted phone ( I was on clockworkmod recovery and stock rom) became rather volatile and would randomly reboot and get stuck in a bootloop. This lasted about a day and then the phone stabilized on its own and eventually returned to normal. Once it returned, the cell service was spotty and 4G was gone, i only had the occasional E in the top right corner.
This progressively worsened into me having no cell service, however I did not have the circle with the line through it. I had full signal bars all while this was happening.
I decided to unroot my phone and return to stock everything , hoping this would solve the issue. Still nothing.
I did a factory wipe and still nothing. Very rarely ill be able to sneak a text message or two before everything stops working again.
Anyone encounter anything like this before? .

Related

[Q] Cellular radio "freezing" after 1.28 update

I have owned this phone only for three days now, coming from a DHD.
Today I installed the 1.28 update and since then my cellular signal has been all over the place. I normally get a solid 5bar HSDPA signal where I live and since the update I have had nothing but issues.
My Sim card seems to be rejected (I am baseing this around the fact that when the radio seems to cycle I get a message saying "preparing sim") but aso it seems to just lock up entirely. Earlier I thought I had a signal only to make a call and have it fail, I tried to cycle the power to the radio by putting the phone into airplane mode but this didnt work so had to do a hard reset which then allowed me to make a call, but the call froze after 5 minutes, again with a seemingly locked up radio.
Any one else got these issues, as my phone is effectively a small but expensive tablet at the moment!
I have that issue BEFORE the 1.28 update. The other day my wife rang me at work and whilst we were talking we were cut off but my phone still showed as connected with signal. I figured she maybe lost signal herself. I tried to ring her back both on her mobile and the land line and my phone would not ring out (as far as I was concerned) I tried to put Airplane mode on but it didn't work so I had to reset the phone.
I haven't had it since but the strange thing is even though the phone didn't give me any indication that it was ringing out my wife said that both her mobile and the land line rang.
It seems strange that I couldn't toggle the radio/airplane mode or hear anything but the phone did actually ring out. Maybe the issue effected the radio and speaker? That's something to test if yours does it again. Ring a phone nearby to see if that does actually ring?
Update from yesterday, I currently have a signal as I am typing this, if however I make a call it will connect and I can listen for a second then it drops with the signal dieing. Followed right away by coming back up.
A reboot seemed to fix it for the moment, but not sure how long for. Next step is a factory reset for me and see how I get on from then.
AFAIK, the radio isn't updated?
I have taken it back and swapped it for another one now. Just waiting for it to charge then I am going to do the FOTA update and then install everything. So far though so good and the three calls I have made/recieved worked perfectly.
Seems to have beena faulty handset *fingers crossed"

Please help!! VZW GNex No Signal and Freezes

Hey Guys, I have been beating my head against a brick wall trying to fix my phone.
Yesterday I was on a call with someone and suddenly I lost service (not uncommon for where I was since I have weak service there), but this time the phone was frozen. The dialer screen was on but was frozen. My phone would not react to anything. So naturally I pulled the battery and rebooted the phone. The phone started up as normally it would but then after 5 minutes of the phone running it froze again. During those five minutes I never received any cell signal.
The most recent "work" I had done on my phone was change the kernel to the AK Kernel on the guide here. This was done 3 days before anything started happening. I tried a new kernel because ever since upgrading to Paranoid 3.0 my phone was acting slow and occasionally I would get a screen of death typically about once a day. The 3 days that I had the new kernel, everything was working great (phone was faster, responsive and no SOD).
I tried restoring a nandroid before upgrading the kernel and it made no difference. Ever since the first time my phone down freezes after 3-5 mins after booting up. Nothing that I have tried has fixed the issue.
I have done a clean install, tried locking and re-rooting, tried a different kernel. All to no avail. Please help I am thinking there is something seriously wrong and may need to take it back to verizon. I am trying to restore my device to stock but am unable to do so. I have been using this guide: Restore to Stock. Any suggestions to make it "clean" enough to get verizon to replace it?
I'm going through withdrawals, please help!
Could not fix it, so I contacted tech support and explained everything that I did to try to fix and they just sent me a warranty replacement. I hope that it was a device error and not something that was caused by other ROMs or Kernels.

No call/text/data until reboot

Got a Note 3 last November, everything ran great, a few weeks ago the phone would show full signal with 4g LTE icon and everything but it cant make/receive call/text. No data whatsoever.
Airplane mode does not toggle it just grey out after activation. When trying to make a call it wouldn't go through and the call just get stuck, hitting the end button doesn't do anything. Everything is back to normal after a reboot, but the same thing would happen again every 2-3 days and would require another reboot.
CSR tried to resetting things on their end but that didn't fix it, got a new SIM, a replacement phone from Tmobile it does the same thing but less frequent.
Anyone else experience this? I'm about to get another replacement . Running latest T-mobile firmware/baseband no root/mods.
bobafuzz said:
Got a Note 3 last November, everything ran great, a few weeks ago the phone would show full signal with 4g LTE icon and everything but it cant make/receive call/text. No data whatsoever.
Airplane mode does not toggle it just grey out after activation. When trying to make a call it wouldn't go through and the call just get stuck, hitting the end button doesn't do anything. Everything is back to normal after a reboot, but the same thing would happen again every 2-3 days and would require another reboot.
CSR tried to resetting things on their end but that didn't fix it, got a new SIM, a replacement phone from Tmobile it does the same thing but less frequent.
Anyone else experience this? I'm about to get another replacement . Running latest T-mobile firmware/baseband no root/mods.
Click to expand...
Click to collapse
Are you running pure stock?
Pure stock, just got a replacement and the same thing happened again.
bobafuzz said:
Pure stock, just got a replacement and the same thing happened again.
Click to expand...
Click to collapse
I also got a Note 3 just 2 weeks ago. Same thing happened to my phone and I thought it was ROM that I had flashed. It has gone away but I am still wondering what was causing such symptoms.
I would see LTE but when I try to make calls there is no sound, not even rining and it would never go though. Someone would call me and my phone would not ring. Same with data, when all others get instant messages in a group chat, my note 3 would be the only one not receiving any messages.
It would stay this way until reboot. When the phone restarts then everything is back to normal. This was very very annoying because you would never know when your connection is lost.
Did you have to reboot to get it back?
bobafuzz said:
Did you have to reboot to get it back?
Click to expand...
Click to collapse
Yeah I had to reboot every time it did have those symptoms.

[Q] Note 4 no more service? (Need help ASAP)

So yesterday I rooted my Sprint Note 4 and everything went well. I then went and got TWRP as well and when done, I got CM12.2 with the appropriate G Apps and flashed both correctly as well. When CM12.2 booted up, it was a little glitchy at first but then it smoothed out and was an amazing experience until this morning. I loved this, but I didnt know it would do this too me. So I woke up this morning and the service wasnt working. It said sprint, but nothing was happening, couldnt recieve texts or anything. Then it just showed an X next to my bars with zero bars lit up, of course. I had zero service. So I then went into twrp, factory wiped and restored a backup I had done before I flashed all this. STILL, on boot up and setup, a big red x next to my zero service bars! Can someone please help me asap? Would removing the root and completely factory reseting the phone from a computer remove it? (Going to do it anyway). HELP?

LTE Signal on boot then no signal at all after about a minute

As the title says I am currently only getting LTE signal on initial boot and it shows its registered to tmobile on the top left but after about a minute I get no signal at all just an X on where the signal bar would be. I checked the signal on boot and it is -119dm 21asu then drops to -113dm and 0asu.
Let me start with all I did since last night. I have been planing on upgrading from kitkat to lolipop and finally started taking steps to do that last night. I first used Kies 3 to backup my data then decided maybe its best to do a full nandroid as well. I installed TWRP and did a full backup, played with my phone a bit then wound up falling asleep without finishing. This morning I knocked the phone off my dresser with the charger still attached and nothing appeared wrong with it. It wasn't until I was driving to work trying to load up spotify that I noticed I was getting no signal. I rebooted when I got to work but did not watch the whole boot up process and only saw that I was still getting no signal. On my lunch break I decided that maybe I screwed something up when I flashed TWRP with odin 3.10 and followed this guide to get started with the upgrade (http://forum.xda-developers.com/not...icial-lollipop-n900tuvufob5-t-mobile-t3046295). Note that I already had mobile odin installed on my phone. When I finished up and everything looks good but I still dont have signal. I noticed that the baseband was still showing up as the kitkat baseband so I flashed the lolipop modem with odin and after boot saw that it did indeed upgrade the baseband but still no signal.
I should also mention a week ago I replaced the usb3.0 port on my phone because the old one was a bit loose when plugged in. I had not had any issues with it until I noticed no signal this morning and am at a loss as to what my problem could be. I did remove the back and check the antenna connections once I got home but it does not fix the issue. Wifi still works and wifi calling appears to work as well. Issue seems to be with just the cellular part. Hoping some one here can pick up on what I possibly messed up.
Was a software issue
I got it working. Looks like there was a software conflict with an app or apps possibly because I did a factory reset and re flashed in Odin using this guide (http://forum.xda-developers.com/showthread.php?t=2672393) and my cellular signal is back to normal. I had to start fresh but at least I have a usable phone now. Hope this helps anyone in a similar situation.

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