Database Develop

[Q] VS980 Mobile Data says its Roaming

Hello All,
Something changed in my phone and not really sure as to what has happened. All of a sudden my phone loses data connectivity and thinks that it is roaming. If I enable airplane mode and disable it, then the phone works for about 10-15 minutes and then loses connectivity again. Running the 12B baseband (been using it for months with no issue) and haven't changed the ROM in quite some time. This started happening on yesterday.
Any suggestions?

The 4G radio seems to have crapped out completely. Getting a replacement sent on tomorrow

Optimus124 said:
The 4G radio seems to have crapped out completely. Getting a replacement sent on tomorrow
Click to expand...
Click to collapse
Damnit. I am having the EXACT same problem, running CM11.
How did you come to that conclusion? I am thinking I'm going to have to restore to stock if I'm going to get Verizon to do anything about it.

EtherBoo said:
Damnit. I am having the EXACT same problem, running CM11.
How did you come to that conclusion? I am thinking I'm going to have to restore to stock if I'm going to get Verizon to do anything about it.
Click to expand...
Click to collapse
I reverted all the way back to 11A stock unrooted. The phone was in 4G for about 5 minutes (if that) and then remained in 3G mode.

Optimus124 said:
I reverted all the way back to 11A stock unrooted. The phone was in 4G for about 5 minutes (if that) and then remained in 3G mode.
Click to expand...
Click to collapse
I'm at the same point. Going to do an Asurion claim since I didn't buy my phone from VZW (Swappa).

I had this problem before when I tried other roms like cm rom and omni rom. I tried to do *228 to fix problem, but made it made it worse. I restored it back to stock and took it to the Verizon store. They put a new sim card in it for free and it fixed the problem. Now i am running stock with simple kernel.

Same exact problem here. I was on the phone with Verizon last night. I was running cloudy pro 2 (all his roms for that matter as they are international roms) and kept getting the roaming issue you speak of...with 3g. I went back to 11A completely bone stock. Just like you mentioned, I get 4g but then after like 10 minutes I get 3g with roaming. Of course this is after I spent 30 minutes on the phone with tech support. They 'zapped' my sim card and it appeared to work but no dice. Now before doing all this I downloaded build prop editor and changed the ro.build.target_country to US versus COM as everyone suggested in all the forums, still no dice. I've tried the toggle airplane mode trick...works for like 5 minutes and back to 3g roaming. I think maybe a new sim card and avoid international roms...bummer because cloudys roms are blistering fast. Interesting thing though, I installed xdabebbs rom and malladus' rom, after already running cloudys roms, and get 3g but no roaming. I also verified that Verizon wasn't throttling me or something like that. One more thing I tried is reflashing the basebands and 24A modem, no dice. If there is a build prop fix or some other fix I'd love to hear it.
Edit: One think I'd like to mention. When I had an S4 I switched between stock roms and AOSP roms and the network settings were responsible for causing the roaming because the stock rom was an older build than the AOSP. So when I had roaming, I'd reflashed the AOSP rom, changed the settings then flash the stock rom. It worked great.
Edit#2: Ok making a little progress. Just did this:
Get a build.prop editor from the play store, and change ro.carrier to VZW and ro.build.target_operator to VZW and ro.build.target_country to US.
Initially it worked but when I make calls it gives me Unfortunately, the process com.android.phone has stopped and I cant make calls. I went into Settings, Apps, reset app preferences...that didn't fix it either.
4G/LTE is pretty solid now but again, I cant make calls.
Edit#3: Nevermind...roaming again.

Alright, I'd be lying if this makes any sense to me, but the issue appears to be related strictly to the SIM card.
I had them swap the SIM, it fixed the issue, then it came back. I'm on a new phone now, and it appears to be working. The old SIM did not work on either phone, but the new one does. What makes no sense is the old SIM would work fine in my Galaxy Nexus, but would not work in the G2. Now the new SIM is working perfectly in the new G2 (haven't tried the old one).
I'm baffled.
I've never seen anything make so little sense. The guy at the store told me I would need to replace the SIM again in a few days. Whatever, if it happens again, I'll do just that.

I did the same with my gs3. What ROM are you running?
Sent from my VS980 4G using Tapatalk

The original phone was running CM 11 Nightlies.
I'm currently on stock - not sure if I'm going to stay with CM because the official thread indicates official development is DitW for the G2 .

That's actually strange... I'd expect roaming issues with an Intl ROM but not cm.
Sent from my Nexus 7 using Tapatalk

[Q] Phone Roams All The Time

My phone out of nowhere started doing this really fun thing where it drops to roaming at random. From what I can tell, the phone is not making a handoff to the next tower to avoid the roaming. For example, if I'm sitting under a tower with full 4G, everything is fine. If I have 2 bars, it will work in 4G for a while before dropping to 3G roaming. I am able to force it back into 4G by dropping in and out of Airplane mode.
I'm running the official CM11 4/30 nightly (I was on the March Snapshot until this started happening).
First I used some Google-Fu and found it's most likely a bad SIM. I swapped SIMs with my wife, she was stuck in 3G roaming, awesome! Went to Verizon, the switched the SIM, all good, right? Nope, I didn't notice it right away, left the store and thought all was good until I needed to use internet at work.
Next, I thought it was software, so I created a backup, and dirty installed the newest CM11 nightly. No change, so I did a full wipe and install. No luck.
So next I thought maybe the radio was corrupted, so I tried to update the radio, which didn't go so well. I got stuck in a boot loop and had to sideload the old driver and reflash. So I'm back up but still having this problem. I'm thinking my only thing I can do at this point is to go to stock and see if the updated radios make a difference.
I saw another guy is had the same problem, but he had his phone replaced. I'm not sure if that will work for me since I purchased via Swappa (I do have Asurion insurance though).
So what help do I need?
1) Does anyone have any ideas on what I can do to fix this?
2) Are there any good instructions out there for how to flash to stock?*
3) Are there any good instructions on how to re-root and flash back to a custom ROM once taking the newest OTA?*
*Most of the instructions I've found have been pretty confusing and use a lot of acronyms without explaining them. I'd be willing to write some cleaner instructions for a sticky if someone would be willing to help me out with any questions I have.
Thanks everyone, I appreciate any help offered.

EtherBoo said:
My phone out of nowhere started doing this really fun thing where it drops to roaming at random. From what I can tell, the phone is not making a handoff to the next tower to avoid the roaming. For example, if I'm sitting under a tower with full 4G, everything is fine. If I have 2 bars, it will work in 4G for a while before dropping to 3G roaming. I am able to force it back into 4G by dropping in and out of Airplane mode.
I'm running the official CM11 4/30 nightly (I was on the March Snapshot until this started happening).
First I used some Google-Fu and found it's most likely a bad SIM. I swapped SIMs with my wife, she was stuck in 3G roaming, awesome! Went to Verizon, the switched the SIM, all good, right? Nope, I didn't notice it right away, left the store and thought all was good until I needed to use internet at work.
Next, I thought it was software, so I created a backup, and dirty installed the newest CM11 nightly. No change, so I did a full wipe and install. No luck.
So next I thought maybe the radio was corrupted, so I tried to update the radio, which didn't go so well. I got stuck in a boot loop and had to sideload the old driver and reflash. So I'm back up but still having this problem. I'm thinking my only thing I can do at this point is to go to stock and see if the updated radios make a difference.
I saw another guy is had the same problem, but he had his phone replaced. I'm not sure if that will work for me since I purchased via Swappa (I do have Asurion insurance though).
So what help do I need?
1) Does anyone have any ideas on what I can do to fix this?
2) Are there any good instructions out there for how to flash to stock?*
3) Are there any good instructions on how to re-root and flash back to a custom ROM once taking the newest OTA?*
*Most of the instructions I've found have been pretty confusing and use a lot of acronyms without explaining them. I'd be willing to write some cleaner instructions for a sticky if someone would be willing to help me out with any questions I have.
Thanks everyone, I appreciate any help offered.
Click to expand...
Click to collapse
Get anywhere? I'm experiencing the same. Roaming all the time. Going to revert back to stock 12b and see what happens.

dr_w said:
Get anywhere? I'm experiencing the same. Roaming all the time. Going to revert back to stock 12b and see what happens.
Click to expand...
Click to collapse
I'm fairly certain it's hardware. I spent a day using my Galaxy Nexus - full 4G the entire day.
I went back to stock, "bricked" my phone about 3 times doing it (quotes because it was salvageable, but I had a couple hours where I was googling like a madman worried I dun ****ed up). Stock and the new radios made no difference. In fact, with stock it would only go to 4G if I restarted it - airplane wouldn't even bring 4G back. Figure that one out.
I went to the VZW store and I'm basically screwed. I can call LG and see if they'll replace it or use Asurion. Since I got the device off Swappa, they cannot replace it. They tried to order me a new one, but the system wouldn't let them. I don't really have time to call LG, so I'm probably going to Asurion it. Their process is stupid simple to do and they'll have a phone to me the next day. Then I can spend all day tinkering with it and getting CM11 back on, which I feel like I'm an expert at right now.
Sorry, wish I had better news. If you got the device from VZW, go to the store after flashing to stock. They might want to try swapping your SIM first though, so make sure you go to a store that has decent 4G coverage in its surrounding area.

EtherBoo said:
I'm fairly certain it's hardware. I spent a day using my Galaxy Nexus - full 4G the entire day.
I went back to stock, "bricked" my phone about 3 times doing it (quotes because it was salvageable, but I had a couple hours where I was googling like a madman worried I dun ****ed up). Stock and the new radios made no difference. In fact, with stock it would only go to 4G if I restarted it - airplane wouldn't even bring 4G back. Figure that one out.
I went to the VZW store and I'm basically screwed. I can call LG and see if they'll replace it or use Asurion. Since I got the device off Swappa, they cannot replace it. They tried to order me a new one, but the system wouldn't let them. I don't really have time to call LG, so I'm probably going to Asurion it. Their process is stupid simple to do and they'll have a phone to me the next day. Then I can spend all day tinkering with it and getting CM11 back on, which I feel like I'm an expert at right now.
Sorry, wish I had better news. If you got the device from VZW, go to the store after flashing to stock. They might want to try swapping your SIM first though, so make sure you go to a store that has decent 4G coverage in its surrounding area.
Click to expand...
Click to collapse
Thanks dude. I think you are right, flash stock and get a new sim first. I have a hard time believing its a hardware problem. I just wrote this in the other post about roaming:
"Same exact problem here. I was on the phone with Verizon last night. I was running cloudy pro 2 (all his roms for that matter as they are international roms) and kept getting the roaming issue you speak of...with 3g. I went back to 11A completely bone stock. Just like you mentioned, I get 4g but then after like 10 minutes I get 3g with roaming. Of course this is after I spent 30 minutes on the phone with tech support. They 'zapped' my sim card and it appeared to work but no dice. Now before doing all this I downloaded build prop editor and changed the ro.build.target_country to US versus COM as everyone suggested in all the forums, still no dice. I've tried the toggle airplane mode trick...works for like 5 minutes and back to 3g roaming. I think maybe a new sim card and avoid international roms...bummer because cloudys roms are blistering fast. Interesting thing though, I installed xdabebbs rom and malladus' rom, after already running cloudys roms, and get 3g but no roaming. I also verified that Verizon wasn't throttling me or something like that. One more thing I tried is reflashing the basebands and 24A modem, no dice. If there is a build prop fix or some other fix I'd love to hear it.
Edit: One think I'd like to mention. When I had an S4 I switched between stock roms and AOSP roms and the network settings were responsible for causing the roaming because the stock rom was an older build than the AOSP. So when I had roaming, I'd reflashed the AOSP rom, changed the settings then flash the stock rom. It worked great. "
Edit#2: Ok making a little progress. Just did this:
Get a build.prop editor from the play store, and change ro.carrier to VZW and ro.build.target_operator to VZW and ro.build.target_country to US.
Initially it worked but when I make calls it gives me Unfortunately, the process com.android.phone has stopped and I cant make calls. I went into Settings, Apps, reset app preferences...that didn't fix it either.
4G/LTE is pretty solid now but again, I cant make calls.
Edit#3: Nevermind...roaming again.

dr_w said:
Thanks dude. I think you are right, flash stock and get a new sim first. I have a hard time believing its a hardware problem. I just wrote this in the other post about roaming:
"Same exact problem here. I was on the phone with Verizon last night. I was running cloudy pro 2 (all his roms for that matter as they are international roms) and kept getting the roaming issue you speak of...with 3g. I went back to 11A completely bone stock. Just like you mentioned, I get 4g but then after like 10 minutes I get 3g with roaming. Of course this is after I spent 30 minutes on the phone with tech support. They 'zapped' my sim card and it appeared to work but no dice. Now before doing all this I downloaded build prop editor and changed the ro.build.target_country to US versus COM as everyone suggested in all the forums, still no dice. I've tried the toggle airplane mode trick...works for like 5 minutes and back to 3g roaming. I think maybe a new sim card and avoid international roms...bummer because cloudys roms are blistering fast. Interesting thing though, I installed xdabebbs rom and malladus' rom, after already running cloudys roms, and get 3g but no roaming. I also verified that Verizon wasn't throttling me or something like that. One more thing I tried is reflashing the basebands and 24A modem, no dice. If there is a build prop fix or some other fix I'd love to hear it.
Edit: One think I'd like to mention. When I had an S4 I switched between stock roms and AOSP roms and the network settings were responsible for causing the roaming because the stock rom was an older build than the AOSP. So when I had roaming, I'd reflashed the AOSP rom, changed the settings then flash the stock rom. It worked great. "
Edit#2: Ok making a little progress. Just did this:
Get a build.prop editor from the play store, and change ro.carrier to VZW and ro.build.target_operator to VZW and ro.build.target_country to US.
Initially it worked but when I make calls it gives me Unfortunately, the process com.android.phone has stopped and I cant make calls. I went into Settings, Apps, reset app preferences...that didn't fix it either.
4G/LTE is pretty solid now but again, I cant make calls.
Edit#3: Nevermind...roaming again.
Click to expand...
Click to collapse
Alright, so, I have some interesting news.
I got a replacement device from Asurion - not just a replacement, a brand new device out of the box. I pulled it out of the box, swapped the SIM, same exact issue .
I went to Verizon and *****ed up a storm. They basically said "you bought it on eBay, not our problem" (I actually did Swappa - but they don't know Swappa and they do know eBay).
So I got the guy in the store to do some digging, and apparently Verizon has a point opened up with LG as they're seeing this on more and more devices - especially since KK came out. So I figured I could try an older radio. The device was on 12B when it arrived. I just flashed stock to 10B and it's the same issue. I don't know what's going on at this point - nothing makes sense but its apparently a known issue that's been appearing since the KK update.
I'm going to call Asurion and request a new device again since this one is doing the same thing, we'll see what happens. I'm still leaning towards hardware and thinking there was a slew of bad radios that went out.
Just for giggles - and I have no reason whatsoever to think this will work. I'm going to swap out the new SIM that came with the phone. Originally, I just put in my old SIM since the new one was taking too long to activate. I'm having the exact same issue I had previously. With that, I'm going to leave the new SIM in and see if it has the same dropping issue. The guy in the store had mentioned he could swap out the SIM but after a few days it will crap out again... which makes zero ****ing sense. Because of that, I might as well see what happens if I pop a new SIM in. While again, this makes 0 sense, I'm wondering if maybe the phone is frying the SIM somehow?
Again, it makes no sense at all, but I have nothing else left to try other than getting Asurion to repeatedly send me phones until I find one that works or they replace for another type of phone (which I REALLY don't want). I'll drop an edit in an hour or so if what I try makes a difference.
Quick Edit:
I COULD just keep going to the VZW store and have them repeatedly swap out SIMs since it will fix it for a few days .
EDIT:
Got the new SIM installed and it's working. The guy in the VZW store told me that we can keep swapping SIMs and the same issue will happen, which again, makes no sense to me. I'm at a bit of a loss to be honest. I wonder if it's possible that my old device was frying the SIMs (again, makes no sense) and that maybe the new SIM not going in my old device will fix the issue.

What ROMs are you running? A phone frying a Sim does not sound likely at all. I got my new sim card and have been running xdabebbs ROM with no network issues. I feel like my issues stemmed from the Intl ROMs.
Sent from my Nexus 7 using Tapatalk

dr_w said:
What ROMs are you running? A phone frying a Sim does not sound likely at all. I got my new sim card and have been running xdabebbs ROM with no network issues. I feel like my issues stemmed from the Intl ROMs.
Sent from my Nexus 7 using Tapatalk
Click to expand...
Click to collapse
The only ROM I've ever run was CM11.
Same thing happened on stock though after flashing through the LG Flash Tool. Then, with the new phone from Asurion, used old SIM - 3G only. Used new SIM - 4G sticks.

Phone seems to prefer 3G?

Hey everyone,
I have an odd issue. I tried searching the forums, but I couldn't find anything like this. So basically, after I restart my phone or if I put it on Airplane mode for a bit my phone will connect to LTE fine. However, after 5-10 mins or so it will switch to 3G and stay there. It will also switch to 3G after I disconnect from a WIFI network.
When I'm connected to LTE it works just fine. I live in the Dallas, TX area and LTE coverage is pretty good where I live/frequent. Any thoughts?
Oh, I am running Liquid Smooth 6/19 build with the Furnace Kernel. I was experiencing this with other ROMs too.
Thanks.

feizy said:
Hey everyone,
I have an odd issue. I tried searching the forums, but I couldn't find anything like this. So basically, after I restart my phone or if I put it on Airplane mode for a bit my phone will connect to LTE fine. However, after 5-10 mins or so it will switch to 3G and stay there. It will also switch to 3G after I disconnect from a WIFI network.
When I'm connected to LTE it works just fine. I live in the Dallas, TX area and LTE coverage is pretty good where I live/frequent. Any thoughts?
Oh, I am running Liquid Smooth 6/19 build with the Furnace Kernel. I was experiencing this with other ROMs too.
Thanks.
Click to expand...
Click to collapse
I'm in Plano, just got this phone about a week and a half ago. Dying to get AOSP on it, but anyway, my LTE coverage is great and it rarely drops, but when it does drop to 3G it does not seem to want to switch back. It doesn't happen often, but I just toggle airplane mode and it reconnects to LTE immediately.
Sent from my HTC One M8 using Tapatalk

The Fer-Shiz-Nizzle said:
I'm in Plano, just got this phone about a week and a half ago. Dying to get AOSP on it, but anyway, my LTE coverage is great and it rarely drops, but when it does drop to 3G it does not seem to want to switch back. It doesn't happen often, but I just toggle airplane mode and it reconnects to LTE immediately.
Sent from my HTC One M8 using Tapatalk
Click to expand...
Click to collapse
Known issue among Sprint Techs just noy really put out there. Newest update has improved it for some but on some people the solution is as you describe; toggle airplane mode on then off
Sent from my SM-G900P using XDA Free mobile app

Actually the update is supposed to make it worse for a reason, a lot of people were having issues with no data at all in areas whee spark want up ask the way yet. So the new update should make your phone sick in whatever band it's on for longer
Sent from my 831C using XDA Free mobile app

Good to know I am not alone.
I just s-off'd and flashed Captains latest firmware. Problem still seems to persist. I am going to switch to a Sense based ROM and see what happens.
I do remember reading somewhere that Sprint is intentionally sending people to 3G where their Spark network isn't complete so as to avoid a poor Spark user experience. I can't remember the source though, somewhere out on Google...

In our area it cleared up issues for people with no commection; theyve had better experience with lte now.
Sent from my SM-G900P using XDA Free mobile app

I flashed Viper and haven't dropped to 3G once today. Hmmm. Going to do a clean flash of an AOSP rom tomorrow to see if the issue returns.

Ok, I have flashed (super wipe each time) Dirty Unicorns, Liquid Smooth, CandyKat, Pac-Man, C-Rom, and the latest CM 11 nightly. Every ROM had this problem with the exception of the CM11 nightly. I did not install any gaps, I just installed the rom and let it sit there...
I noticed that right before I would drop to 3G (on all ROMs except CM11) i would get a message stating that my SIM card had locked and that I needed to reboot. Then, about 30 seconds after that I would drop to 3G. If I changed my mobile network from LTE to Global it seemed to delay the SIM lock message for about 30 minutes.
After toggling Airplane mode I would connect to LTE again....and that is where I am at right now....about 10 minutes into that and still connected to LTE.
Edit: Just dropped to 3G after 15mins, bah!

feizy said:
Ok, I have flashed (super wipe each time) Dirty Unicorns, Liquid Smooth, CandyKat, Pac-Man, C-Rom, and the latest CM 11 nightly. Every ROM had this problem with the exception of the CM11 nightly. I did not install any gaps, I just installed the rom and let it sit there...
I noticed that right before I would drop to 3G (on all ROMs except CM11) i would get a message stating that my SIM card had locked and that I needed to reboot. Then, about 30 seconds after that I would drop to 3G. If I changed my mobile network from LTE to Global it seemed to delay the SIM lock message for about 30 minutes.
After toggling Airplane mode I would connect to LTE again....and that is where I am at right now....about 10 minutes into that and still connected to LTE.
Edit: Just dropped to 3G after 15mins, bah!
Click to expand...
Click to collapse
It makes sense when you consider the fact that the SIM card in our phones is a requirement of 4g/LTE/Spark. Having the SIM lock on us renders it useless and you would then be kicked down to 3G since you can no longer meet the requirements for the faster connections....
I got so annoyed with this bug that I've switched to a sense-based ROM (ARHD) indefinitely even though i love AOSP and used to flash Carbon, Liquidsmooth, and Pacman roms almost every day and usually a couple times per day if they all got updated that day. I can't stand the stupid simcard lock bug they're having right now though...interesting that CM 11 nightly is no longer having this issue you say? When I was last troubleshooting this with roms I was getting it on the CM 11 nightly as well...but it has been a while...Hopefully if the latest CM 11 nightlies have fixed this issue the other guys will catch up soon.

slimbrady said:
It makes sense when you consider the fact that the SIM card in our phones is a requirement of 4g/LTE/Spark. Having the SIM lock on us renders it useless and you would then be kicked down to 3G since you can no longer meet the requirements for the faster connections....
I got so annoyed with this bug that I've switched to a sense-based ROM (ARHD) indefinitely even though i love AOSP and used to flash Carbon, Liquidsmooth, and Pacman roms almost every day and usually a couple times per day if they all got updated that day. I can't stand the stupid simcard lock bug they're having right now though...interesting that CM 11 nightly is no longer having this issue you say? When I was last troubleshooting this with roms I was getting it on the CM 11 nightly as well...but it has been a while...Hopefully if the latest CM 11 nightlies have fixed this issue the other guys will catch up soon.
Click to expand...
Click to collapse
Gummy Rom seems to work too. I was on it for about 2 days and I was on LTE almost the entire time. It did drop to 3G, but it went back to LTE shortly after without me having to toggle airplane mode.

i m having problem with network sir
slimbrady said:
It makes sense when you consider the fact that the SIM card in our phones is a requirement of 4g/LTE/Spark. Having the SIM lock on us renders it useless and you would then be kicked down to 3G since you can no longer meet the requirements for the faster connections....
I got so annoyed with this bug that I've switched to a sense-based ROM (ARHD) indefinitely even though i love AOSP and used to flash Carbon, Liquidsmooth, and Pacman roms almost every day and usually a couple times per day if they all got updated that day. I can't stand the stupid simcard lock bug they're having right now though...interesting that CM 11 nightly is no longer having this issue you say? When I was last troubleshooting this with roms I was getting it on the CM 11 nightly as well...but it has been a while...Hopefully if the latest CM 11 nightlies have fixed this issue the other guys will catch up soon.
Click to expand...
Click to collapse
sir m new on xda n root android also
m having htc one m8 sprint unloked s-on harmen kardon eddition which was supporting both cdma n gsm carrier in india.
it was working fine but one day suddenly it start showing no service i found t that in setting top field it says blurred AEROLANE MODE TURNING OFF
i waited ment hours
but cant have network
lastle search on google
where i found code ##786# and i reset using msl code
then i got aeroplane mode off but now gsm or cdma both network were unsupported
then i found gsm networ support mode
i tried that and now my gsm network get started but STILL I CANT USE CDMA ON IT
PLEASE HELP ME OUT
IF RUU NEEDED THEN HOW TO DO
N IF FIRMWARE NEEDED THEN WHIH ONE
PLZ SEND ME LINKS M HELPLESS

[Q] HELP: Lost cellular data and service

Anyone have a fix for this? On Verizon and after almost 4 weeks I have lost my cellular service and data. I noticed when I went to check up on my phone right now that it was finishing a boot-up screen and then never had any bars at the top. Dug deeper and found no service at all. Wiped dalvik and cache and seemed to be bars for under a second and then gone. I am on sensei kernel and am thinking about doing a factory reset and reverting to stock kernel. But I really don't want to lose the benefits it came with.

rmx36 said:
Anyone have a fix for this? On Verizon and after almost 4 weeks I have lost my cellular service and data. I noticed when I went to check up on my phone right now that it was finishing a boot-up screen and then never had any bars at the top. Dug deeper and found no service at all. Wiped dalvik and cache and seemed to be bars for under a second and then gone. I am on sensei kernel and am thinking about doing a factory reset and reverting to stock kernel. But I really don't want to lose the benefits it came with.
Click to expand...
Click to collapse
Well, this is odd. After a month of perfect service, I suddenly cannot get LTE, only 3G. Even nandroids of prior ROM's will not boot into LTE. Is VZW LTE down or should I do a total clean reformat? i do have factory images and everything is backed up. Just a pain.
Very strange. I was flashing various ROM's (CM 12 based - am testing for someone) and at one point pulled out SIM and replaced it. I checked to make sure it is seated right since then. Again, no longer get LTE.
Was on Sensei kernel as well. Let me try flashing stock kernel from ROM first. EDIT: NOPE! Flashing the stock kernel from the ROM did not do it. Looks like total reformat/flash is next!

markwebb said:
Well, this is odd. After a month of perfect service, I suddenly cannot get LTE, only 3G. Even nandroids of prior ROM's will not boot into LTE. Is VZW LTE down or should I do a total clean reformat? i do have factory images and everything is backed up. Just a pain.
Very strange. I was flashing various ROM's (CM 12 based - am testing for someone) and at one point pulled out SIM and replaced it. I checked to make sure it is seated right since then. Again, no longer get LTE.
Was on Sensei kernel as well. Let me try flashing stock kernel from ROM first.
Click to expand...
Click to collapse
I just got my Nexus 6 and I am also on Verizon and had the cell coverage drop too. I backed up my apps with titanium backup and did a factory reset and signal came back. I only had it for a day and went to Canada and on my way back to the US I noticed the cell bars were gone. I was just rooted and boot loader unlocked and otherwise stock. I read online that others had this issue when they got to places in the US that had little or no signal. I also noticed that under cellular network settings it loads up with Global under the preferred network type even though it has an option for "LTE (recommended)" and if you choose LTE, global is never an option again until you do a factory reset and it loads with it pre selected. With global selected it works perfectly with calls and LTE, so not sure what that means or if my selecting LTE made it drop the signal after going back from Canada.

Yep, total flash of factory image fixed it. Sigh. Early enough in the day for me to get everything set up again.

Same. About to do it too... I've done too many factory resets with this already. Kind of annoying.

I am in the same boat. Had no problems until I flashed bliss 1.5 then was stuck on 3g. Tried a clean flash of Slim and still stuck on 3g. I will try a stock rom but I am not very hopeful at this point. It's looking a like a reformat here as well :/

Ended up having to format everything and start from scratch again. I'm running a stock ROM now and in weary to try another cm ROM

Don't know if it'll help, but try LTE Discovery app in the Play Store. I use it from time to time to reset my data connection.

Having the same issue, running CM12 daily, have been for a week or so. Midday today it drops LTE, 3g data was working, then a few minutes later to no data. I didn't change anything, nothing new installed. I did reboot the phone at some point before this but that is all...
My only fix was to backup via trwp, restore stock rom, factory reset, reboot & let sim activate, then restore cm12 via twrp... it's a 20-30 min fix all said and done.... pita
Maybe its something Verizon is doing, because I didn't change anything and then next thing you know no data. I hope it's a simple fix for CM12 but I see this popping up more the last few days. Hopefully someone will figure it out. I like CM and prefer it over stock but I am not going to do this multiple times a day just to keep CM...

lohonda said:
...and if you choose LTE, global is never an option again until you do a factory reset and it loads with it pre selected.
Click to expand...
Click to collapse
I just checked and global is still an option for me. I've bounced back and forth, looking to see if anything changes..

Same thing has happened to me last night, lost connection to VZW cell and data. Looking at the field test menus, it seems like the SIM/device understand GSM but NOT CDMA anymore. So I believe the issue has something to do with that. Tried everything, but will nuke and repave most likely....also lost Global as well. and LTE Discovery shows GSM stuff nothing for CDMA
Tried the SIM in another device and it works so its not the SIM.

OK I tried a world of things to recover like some of you may have....its something in Userdata because if I flash everything but userdata it wont work. I am going to try and recover from the backup I had before this happened to see if that works....otherwise rebuild from scratch
will post back
UPDATE: So restoring a backup seems to be ok once you get the SIM back.

Having the same issue over here as well... After a month or AI of having the 6, now I randomly drop service where I would normally have full LTE. I almost NEVER get LTE now and am at most on H with a couple bars then it drops out again. Have also.noticed WiFi connection is very shakey.
Any one find a fix?

I had an issue where i couldnt get my phone to connect any network. Took me long rime to realise, that entering my PIN-number too fast caused the issue xD it unlocked the sim, but didnt let me connect any network... Dunno if this helps anyone, but definetly the most cryptic issue I've ever had.

th3g0d said:
I had an issue where i couldnt get my phone to connect any network. Took me long rime to realise, that entering my PIN-number too fast caused the issue xD it unlocked the sim, but didnt let me connect any network... Dunno if this helps anyone, but definetly the most cryptic issue I've ever had.
Click to expand...
Click to collapse
Troubleshooting my wife's N6 here. Your PIN issue doesn't make sense to me because the phone should be connected to the carrier when locked. Are you talking about WiFi? Because that should be connected too when locked unless settings have been changed from their default (ie, turn off wifi when locked/asleep or something)

quidpro said:
Troubleshooting my wife's N6 here. Your PIN issue doesn't make sense to me because the phone should be connected to the carrier when locked. Are you talking about WiFi? Because that should be connected too when locked unless settings have been changed from their default (ie, turn off wifi when locked/asleep or something)
Click to expand...
Click to collapse
I'm talking when you turn on your phone and it asks for pin number to unlock your sim. Some how it seems that if you enter your pin too fast, it bugs the phones radio somehow and you can't connect to your carrier but if you wait like 5sec before entering the pin, it connects to the carrier and the (!) Mark goes away. Try rebooting the phone and see if it helps? Even I think its a weird issue
Edit: OK, just pinpointed MY issue. I have to wait for the "no service" text to change into "emergency calls only" before entering my pin or I don't have any service just the exclamation mark :/

th3g0d said:
I'm talking when you turn on your phone and it asks for pin number to unlock your sim. Some how it seems that if you enter your pin too fast, it bugs the phones radio somehow and you can't connect to your carrier but if you wait like 5sec before entering the pin, it connects to the carrier and the (!) Mark goes away. Try rebooting the phone and see if it helps? Even I think its a weird issue
Click to expand...
Click to collapse
Thanks. I told her about it and she will give it a try, or just remove the pin altogether as a test. It is a weird issue. She is missing important calls from her elderly parents at night and it is rather frustrating. Turning wifi off also seems like a bad fix.

Weird issue with no data while making phone calls

Hell of a story, I apologize in advance for the length, but maybe it'll be intriguing to some of you. Pure Nexus rom as of i think april 23rd?
I have a Nexus 6 that I bought 2 years ago in April on Verizon (purchased from verizon). My contract ran out April 27th, went to AT&T with my girlfriend because I was going to get on her plan to save money on our phone bills. Ported over the number to my N6 fine. But I noticed I only got an H+ symbol, no LTE. I asked the guy if that was normal, he said yes. I got data and could make calls so I figured it was fine. Did some speed tests, 2 mb/down at best. My GF was getting 15-20 in the same spot on her Galaxy S7.
Long part of this story short, the tech they put me on the phone with said it was due to it being a Verizon variant and was not capable of full LTE speeds on AT&T. I went to the Verizon store and asked if they could put me back under Verizon after explaining the problem. He said sure, and then worked up pricing to have my GF switch to Verizon with me instead, and to get a Pixel XL.
So far so good, they had to do a temporary number for me because there's issues porting a number twice in a 24 hour span, but they cleared it up, got my real number ported, happy camper, good speeds. Except this one issue.
Now when I'm on the phone (actual phone call), my data drops. The LTE signal actually disappears, and nothing displays except signal bars. As soon as the phone call is over, it comes back. I never had the problem before this whole back and forth mess. I can't seem to figure out any options to make it not do this. I was thinking about reflashing my rom in case that would help, maybe something got messed up in the switch back and forth to GSM and then back to CDMA?

Morpherios said:
Hell of a story, I apologize in advance for the length, but maybe it'll be intriguing to some of you. Pure Nexus rom as of i think april 23rd?
I have a Nexus 6 that I bought 2 years ago in April on Verizon (purchased from verizon). My contract ran out April 27th, went to AT&T with my girlfriend because I was going to get on her plan to save money on our phone bills. Ported over the number to my N6 fine. But I noticed I only got an H+ symbol, no LTE. I asked the guy if that was normal, he said yes. I got data and could make calls so I figured it was fine. Did some speed tests, 2 mb/down at best. My GF was getting 15-20 in the same spot on her Galaxy S7.
Long part of this story short, the tech they put me on the phone with said it was due to it being a Verizon variant and was not capable of full LTE speeds on AT&T. I went to the Verizon store and asked if they could put me back under Verizon after explaining the problem. He said sure, and then worked up pricing to have my GF switch to Verizon with me instead, and to get a Pixel XL.
So far so good, they had to do a temporary number for me because there's issues porting a number twice in a 24 hour span, but they cleared it up, got my real number ported, happy camper, good speeds. Except this one issue.
Now when I'm on the phone (actual phone call), my data drops. The LTE signal actually disappears, and nothing displays except signal bars. As soon as the phone call is over, it comes back. I never had the problem before this whole back and forth mess. I can't seem to figure out any options to make it not do this. I was thinking about reflashing my rom in case that would help, maybe something got messed up in the switch back and forth to GSM and then back to CDMA?
Click to expand...
Click to collapse
Try to unlock bootloader, install TWRP, root the stock rom, then install lastest bootloader (v72.03) and latest radio (v05.45):
https://forum.xda-developers.com/ne...-nexus-6-recovery-flashable-fastboot-t3066052
Use WUG Fresh NRT tool to accomplish above when hooked to Windows PC via microUSB in 2.0 USB port with correct Windows drivers installed (OK for ADB): https://forum.xda-developers.com/showthread.php?t=1766475

HueyT said:
Try to unlock bootloader, install TWRP, root the stock rom, then install lastest bootloader (v72.03) and latest radio (v05.45):
https://forum.xda-developers.com/ne...-nexus-6-recovery-flashable-fastboot-t3066052
Use WUG Fresh NRT tool to accomplish above when hooked to Windows PC via microUSB in 2.0 USB port with correct Windows drivers installed (OK for ADB): https://forum.xda-developers.com/showthread.php?t=1766475
Click to expand...
Click to collapse
I'm already unlocked, rooted, TWRP'd and using the PureNexus that came out end of april (I haven't flashed the one in may yet). I believe I'm also currently using the latest radio and latest bootloader.
Edit - I actually was not on the most recent radio, but I did flash that, no change.

The volte provisioned flag turned on in the testing menu? I have a setting for enhanced 4g lte mode in my settings, wireless networks/more/cellular networks settings. Did they remove the advanced calling from your account? Just throwing some things out there.

Morpherios said:
Hell of a story, I apologize in advance for the length, but maybe it'll be intriguing to some of you. Pure Nexus rom as of i think april 23rd?
I have a Nexus 6 that I bought 2 years ago in April on Verizon (purchased from verizon). My contract ran out April 27th, went to AT&T with my girlfriend because I was going to get on her plan to save money on our phone bills. Ported over the number to my N6 fine. But I noticed I only got an H+ symbol, no LTE. I asked the guy if that was normal, he said yes. I got data and could make calls so I figured it was fine. Did some speed tests, 2 mb/down at best. My GF was getting 15-20 in the same spot on her Galaxy S7.
Long part of this story short, the tech they put me on the phone with said it was due to it being a Verizon variant and was not capable of full LTE speeds on AT&T. I went to the Verizon store and asked if they could put me back under Verizon after explaining the problem. He said sure, and then worked up pricing to have my GF switch to Verizon with me instead, and to get a Pixel XL.
So far so good, they had to do a temporary number for me because there's issues porting a number twice in a 24 hour span, but they cleared it up, got my real number ported, happy camper, good speeds. Except this one issue.
Now when I'm on the phone (actual phone call), my data drops. The LTE signal actually disappears, and nothing displays except signal bars. As soon as the phone call is over, it comes back. I never had the problem before this whole back and forth mess. I can't seem to figure out any options to make it not do this. I was thinking about reflashing my rom in case that would help, maybe something got messed up in the switch back and forth to GSM and then back to CDMA?
Click to expand...
Click to collapse
The tech may not be wrong as Verizon uses band 13 as their main LTE band and ATT uses band 17
http://www.phonearena.com/news/Chea...on-T-Mobile-and-Sprint-use-in-the-USA_id77933

Morpherios said:
Hell of a story, I apologize in advance for the length, but maybe it'll be intriguing to some of you. Pure Nexus rom as of i think april 23rd?
I have a Nexus 6 that I bought 2 years ago in April on Verizon (purchased from verizon). My contract ran out April 27th, went to AT&T with my girlfriend because I was going to get on her plan to save money on our phone bills. Ported over the number to my N6 fine. But I noticed I only got an H+ symbol, no LTE. I asked the guy if that was normal, he said yes. I got data and could make calls so I figured it was fine. Did some speed tests, 2 mb/down at best. My GF was getting 15-20 in the same spot on her Galaxy S7.
Long part of this story short, the tech they put me on the phone with said it was due to it being a Verizon variant and was not capable of full LTE speeds on AT&T. I went to the Verizon store and asked if they could put me back under Verizon after explaining the problem. He said sure, and then worked up pricing to have my GF switch to Verizon with me instead, and to get a Pixel XL.
So far so good, they had to do a temporary number for me because there's issues porting a number twice in a 24 hour span, but they cleared it up, got my real number ported, happy camper, good speeds. Except this one issue.
Now when I'm on the phone (actual phone call), my data drops. The LTE signal actually disappears, and nothing displays except signal bars. As soon as the phone call is over, it comes back. I never had the problem before this whole back and forth mess. I can't seem to figure out any options to make it not do this. I was thinking about reflashing my rom in case that would help, maybe something got messed up in the switch back and forth to GSM and then back to CDMA?
Click to expand...
Click to collapse
In others countries we don't get the same bands management, then I can't say anything about LTE.
But I'm on PureNexus 7.1.1 and I get the same "issue" about network droppin when calling. When the call starts, my phone turns into don't disturb-mode and recover the network only when the phone call ends.. It doesn't really cut my network connection, but it looks like. It may be rom settings.
However I don't care as long as everything works good, it's just an icon. (how a phone call can be done while network is shutted off ^^)
When I was on the stock ROM, this autumn, 7.1 version of Android did the same thing, loosing data connection while being still connected to the network (but at anytime not just phonecalls). Finding it back some minutes later. That was fixed with 7.1.1. Stock.
Hope that might help you (looks not ) if it's the same problem. May be give an eye to the Rom settings..
Have you tried if your device do the same thing with an another Rom ? (stock for example)

Larzzzz82 said:
The volte provisioned flag turned on in the testing menu? I have a setting for enhanced 4g lte mode in my settings, wireless networks/more/cellular networks settings. Did they remove the advanced calling from your account? Just throwing some things out there.
Click to expand...
Click to collapse
I knew something looked like it was missing. I don't have any enhanced 4g LTE settings in that section. Normally there's a tick box to turn it on there. It's missing. Is that due to them not having it turned on in my account?
Also for everyone else, this problem only started when I tried the whole at&t switch. I was on this rom when I switched and it worked fine before then. I didn't factory reset since then though, wondering if I need to try that.

zelendel said:
The tech may not be wrong as Verizon uses band 13 as their main LTE band and ATT uses band 17
http://www.phonearena.com/news/Chea...on-T-Mobile-and-Sprint-use-in-the-USA_id77933
Click to expand...
Click to collapse
The tech is definitely wrong; since it's a Nexus 6 (presumably XT1103) it has all the possible LTE bands used in the US. There should not have been any issue when switching. I had something similar happen to me, when I just switched to verizon and did the "reset network settings" button, it screwed up my phone so I couldn't use LTE period, I had to reflash the modem in order to fix it. I know you already said you reflashed the modem, but I'm not sure what to suggest. There is absolutely nothing physically wrong or incapable about your phone, just some config got screwed up somewhere along the way. I'd just try to flash as many things as you're comfortable with without losing your userdata. Like modem, bootloader, etc. until your data comes back. If nothing else, press the network settings reset button and flash the latest modem. Make sure your twrp is up to date as well.

BlockOfDynamite said:
The tech is definitely wrong; since it's a Nexus 6 (presumably XT1103) it has all the possible LTE bands used in the US. There should not have been any issue when switching. I had something similar happen to me, when I just switched to verizon and did the "reset network settings" button, it screwed up my phone so I couldn't use LTE period, I had to reflash the modem in order to fix it. I know you already said you reflashed the modem, but I'm not sure what to suggest. There is absolutely nothing physically wrong or incapable about your phone, just some config got screwed up somewhere along the way. I'd just try to flash as many things as you're comfortable with without losing your userdata. Like modem, bootloader, etc. until your data comes back. If nothing else, press the network settings reset button and flash the latest modem. Make sure your twrp is up to date as well.
Click to expand...
Click to collapse
I think i'm going to reflash my rom today. I did the modem, twrp is up to date, bootloader is fine. I did the reset network settings (I was sure that was going to fix it, no dice). So I'm going to reflash the rom today and see if that fixes it. After that I have no idea what is left to try other than reverting to stock, which I'd like to avoid.

Yes, it is a feature that needs to be added to your account. Go online and check their website or go into the hidden menu and activate it. If it sticks, it's on your account.
I tried the wifi and video calling flags and they didn't stick. Go figure... C'MON big red...

Larzzzz82 said:
Yes, it is a feature that needs to be added to your account. Go online and check their website or go into the hidden menu and activate it. If it sticks, it's on your account.
I tried the wifi and video calling flags and they didn't stick. Go figure... C'MON big red...
Click to expand...
Click to collapse
How do you enter the hidden menu on the n6? I thought I found it but it wasn't working.

.#.#4636#.#. select the phone info tab. In there, there will be either a drop down menu or buttons to tick and they'll change color

Larzzzz82 said:
.#.#4636#.#. select the phone info tab. In there, there will be either a drop down menu or buttons to tick and they'll change color
Click to expand...
Click to collapse
I got in, VoLTE was not ticked. I ticked it. I got the setting for it then in settings. But making a phone call gave me an error. I rebooted, and it's not ticked now. So does that mean I need to call Verizon to have them flag my account?

You need to add it in your account then. Easy enough to do online. You want to, "manage features."

Larzzzz82 said:
You need to add it in your account then. Easy enough to do online. You want to, "manage features."
Click to expand...
Click to collapse
That did the trick. All fixed. Thank you! That was driving me nuts. I never considered the idea that the setting would be turned off . But since I did leave and come back...
Thanks again!

Glad you're all set. ?