Develop Bugs

Network completely dropping randomly?

This is happening multiple times a day, randomly.
Ironically, I was at a vzw corporate store today getting a half off extended battery and incipio case, and it happened, i was driving home in the middle of a bluetooth call and it dropped, and while at work it drops every 10 minutes.
What the heck is going on? It even drops at my house, where i have "-93dBm" of 4G service... the notification bars will start at full 4G to none, grayed out.
This is extremely annoying and making my phone "work" a lot, thus killing the battery. It didn't make it through a 12 hour day today being in my pocket about 7/8ths of the time!!

al2x said:
This is happening multiple times a day, randomly.
Ironically, I was at a vzw corporate store today getting a half off extended battery and incipio case, and it happened, i was driving home in the middle of a bluetooth call and it dropped, and while at work it drops every 10 minutes.
What the heck is going on? It even drops at my house, where i have "-93dBm" of 4G service... the notification bars will start at full 4G to none, grayed out.
This is extremely annoying and making my phone "work" a lot, thus killing the battery. It didn't make it through a 12 hour day today being in my pocket about 7/8ths of the time!!
Click to expand...
Click to collapse
I just exchanged my Nexus a couple of days ago, because of this exact issue. So far, I haven't had a single random network drop on the new Nexus.
(Tech support suggested going to a VZW store and having them swap the SIM card out, so I did. As soon as I made it back out to my car, the network dropped again. As I was walking into the Target across the street, it dropped again, so I turned around and went back to the VZW store. They swapped the phone out.)

YES. Had no problems until today (at least that I've noticed). Now its not getting any data. I get strong 4G at my house too. Right now its saying I have 3G but its not giving me any data connection despite what the icon says. Might have to take it back

I had no problem until today. This morning the network dropped out suddenly and hasn't come back. Plugging it in, pulling battering, switching all data settings (LTE/3G, roaming, etc) has no effect. I may be taking a trip down to the Verizon store over my lunch break...

There is an issue with Verizon 3G/4G data right now, it seems to be down nationwide.

I live in Arizona / Phoenix and am experiencing the same. I have no data (3g or 4g) and haven't since my commute into work today. It's frustrating. This isn't a Verizon 3G/4G data issue nationwide. My coworker next to me is using a Droid Bionic and has both 3G and 4G working fine. We just loaded up several sites on her phone. I'm starting to get peeved.

iamsupreme said:
I live in Arizona / Phoenix and am experiencing the same. I have no data (3g or 4g) and haven't since my commute into work today. It's frustrating. This isn't a Verizon 3G/4G data issue nationwide. My coworker next to me is using a Droid Bionic and has both 3G and 4G working fine. We just loaded up several sites on her phone. I'm starting to get peeved.
Click to expand...
Click to collapse
Yep another co-worker with a verizon phone also has data coverage while mine has been skipping out this morning.
That being said, this is not a scientific poll since 99% of the people posting here have GN phones. Are there any reports of problems in the other forums?

Though several articles, this one being one (http://www.gottabemobile.com/2011/12/28/verizon-suffering-another-nationwide-4g-lte-outage/) are showing that there is, in fact, another nationwide 4g LTE outage. Maybe her Bionic just switches to 3G properly and my Nexus isn't? I changed it from LTE/CDMA to CDMA and powered off and on the radio. No luck.

iamsupreme said:
Though several articles, this one being one (http://www.gottabemobile.com/2011/12/28/verizon-suffering-another-nationwide-4g-lte-outage/) are showing that there is, in fact, another nationwide 4g LTE outage. Maybe her Bionic just switches to 3G properly and my Nexus isn't? I changed it from LTE/CDMA to CDMA and powered off and on the radio. No luck.
Click to expand...
Click to collapse
Thanks for that. My data just came back up and it's 3G only now and seems solid. Perhaps Verizon has taken down their LTE network to prevent phones from trying to connect to it until they resolve the problem.

I'm getting a 3G icon when I turn off LTE/CDMA and put it at CDMA only. But actually trying to load anything with data (web, Facebook, YouTube) doesn't work. No connectivity.

Yeah, Droidlife reported on the outage for ALL 4G phones. My Thunderbolt is also affected. This is one of the reasons why my paranoid self is happy that I have two phones: one on T-Mo and one on Verizon.

Called VZ, data down in Miami. Phone is heating up like a mf, good 'cause it's freaking cold here like 68

lioryte said:
Called VZ, data down in Miami. Phone is heating up like a mf, good 'cause it's freaking cold here like 68
Click to expand...
Click to collapse
I want to live somewhere where my big problem with the weather is that it's 68 degrees. Anyway, glad to hear it's a network issue and not my phone.

Random signal drops in Baltimore as well. Especially after a phone call. On second phone and still same issue.
Sent from my Galaxy Nexus using Tapatalk

Here in Rhode Island, I lost all signal for about 4 minutes, had 3g for about 5 minutes, then got 4g on and off for about 5-10 minutes.
As of now i'm solid 4g with no disconnect or 3g
its probably because of that 3.7+ MILLION devices activated for christmas
be glad we don't have RIM with a 3 day blackout

Yeah, and the problem with the GNex is that, unlike other phones, it doesn't seem to have a "no 4g, only 3g" capability, so when 4G goes down, we have no data whatsoever. Older phones that can switch LTE off are able to hook onto 3G.

SomeGuyDude said:
Yeah, and the problem with the GNex is that, unlike other phones, it doesn't seem to have a "no 4g, only 3g" capability, so when 4G goes down, we have no data whatsoever. Older phones that can switch LTE off are able to hook onto 3G.
Click to expand...
Click to collapse
Very very much untrue.
Sent from my Galaxy Nexus

SomeGuyDude said:
Yeah, and the problem with the GNex is that, unlike other phones, it doesn't seem to have a "no 4g, only 3g" capability, so when 4G goes down, we have no data whatsoever. Older phones that can switch LTE off are able to hook onto 3G.
Click to expand...
Click to collapse
Settings > More... > Mobile networks > Network Mode > Select CDMA (default is LTE/CDMA) > Profit

its a nationwide issue affecting SOME LTE Verizon users.
http://www.droid-life.com/2011/12/28/verizon-4g-lte-nationwide-data-outage-happening-once-again/

I was in a costco this afternoon and it wasn't working. I originally assumed it was the metal building. Nope, Verizon's network again.

Sprint GNEX with no 3G data

Since I got my phone a few hours ago I have not been able to get and keep a 3g signal. Tech support says its a network issue. Will wait to see if things change. Anyone else having this issue?
Sent from my Galaxy Nexus using XDA

Yes I was having the same problem with my galaxy nexus I received on Friday...it would not connect to the data network and would show an error code 600 when I tried to update the profile or prl. Tech support deemed it defective so I sent it back and am waiting for another device.

I have been roaming a lot with my nexus s 4g here in the tri state area
Sent from my Nexus S 4G using Tapatalk 2

Same here no 3g data at all. Waiting for a replacement!

I had exact same issue with my pre-ordered nexus. Got it on Friday and it never had a 3G connection... well there was a couple of times it came on then went away when I tried using the web.
I talked with 3 different tech support agents for over 2 hours combined and they couldn't get it going. Even went to a sprint repair store on Saturday and they couldn't do anything. Finally, I called sales and they sent out a replacement. Got that in today and it works fine.

for what it's worth, my texts wouldn't go out here today via 3g... i'm in NYC and still using my epic

My been working fine so far, phone works great make sure you got CDMA radio only on , I was messing with that and for some reason 3G didn't work till I changed it back

I got my 3g data to work for 15 mins. Now its gone again. Damn Sprint!

I am having horrible data speeds thinking about taking it back. I love the phone other than the data speeds.
And that tower you see, it is a Sprint tower.

I received my gnex earlier today and have experienced the same error.
I'll see 3g appear for a minute... then its gone.
There for a bit.. then GONE
a hour with a tech on the phone. he put in a network ticket saying it wasn't related to my device
but something going on with the network.
i'm considering ESN swapping back to my epic 4g.

I'm so glad I don't have this problem on mine. I just got it today and it's working great so far. My boss bought a Verizon GNex a couple of weeks ago and had this very same issue. He took it back and got the RAZR Maxx. I don't blame him since I watched his Nexus' data go in and out every minute or so. It's a great phone if it works properly. Wish you all luck with getting the problem resolved.
Sent from my Galaxy Nexus using xda premium

Those in this thread with this issue. please count yourselves in my poll.
http://forum.xda-developers.com/showthread.php?t=1618335
there are like 9 pages of people with this issue on sprint's forums.

Yes just do *#*#72786#*#*
Enter your msl
press back arrow
wait...... it will reboot....
wait till it does hands free on its own
IT WORKS TRUST ME!
NO MORE REPLACEMENTS PLEASE!
scoobdude said:
Since I got my phone a few hours ago I have not been able to get and keep a 3g signal. Tech support says its a network issue. Will wait to see if things change. Anyone else having this issue?
Sent from my Galaxy Nexus using XDA
Click to expand...
Click to collapse

[Q] LTE connectivity issues on LTE Galaxy Nexus. Flashing ICS 4.0.4 did not solve.

I bought a new GNex last week and immediately ran into bad connectivity issues when preferred network mode is set to LTE/CDMA. Basically no signal all (3G or 4G), even though I live in downtown Boston where there should be 4G. When I switch my preferred network mode from LTE/CDMA to CDMA, the 3G network works fine with no connectivity issues.
On the phone, Verizon told me that a software patch in May will fix the issue. A staffer at the Verizon store told me that I could already find the patch online and that it would solve the problem... I assumed he was talking about 4.0.4. I flashed 4.0.4 yesterday fully expecting it to solve my LTE connectivity problems but ..... no luck. I still get no signal using the LTE/CDMA setting. I can't even make or receive calls unless I switch back to CDMA.
Do I have a hardware issue? Are other people having the same problem? Should I trust Verizon and hope that the 4.0.5 OTA update fixes the problem? Is there anything I can do about it now?

I am in the same boat as you. Just got a replacement from Verizon but it had a horrible purple tint to the screen so its going back. Didn't even get to see if its better at 4g. I think its a hardware problem as I've read that some people were able to get a replacement phone that actually works.
Sent from my Galaxy Nexus using XDA

My problem is similar. I can get 4G and use it sometimes but after a short time of data usage all my data is cut off until I reboot the phone. No calls, no nothing. I logged a ticket last night and will be calling back today for an exchange.
edit:
I stopped into the VZW store after calling customer care and getting everything all setup. They swapped out my gnex for a new one and so far my experience has been positive. I'm seeing improved signal everywhere and last night the phone didn't drop connectivity once or even get warm. The old phone would get hot to the touch in the upper left of the screen, the new one stayed cool throughout 30 app downloads with 2 bars 4g. Here's to hoping my problem is solved.

I'm getting a similar issue with connectivity dropping ice had this phone for three weeks and the signal drops terribly. At my house because I live on a mountain by a Penn state campus I know there isn't much in the way of signal because of the distance from the towers without interference. But even with being in other areas with 4g I still run into the signal dropping...I thought it was just me so it's good too know I'm not the only one having issues
Sent from my Galaxy Nexus using xda premium

(T-Mobile) Randomly Losing Signal

My gsiii for some odd reason loses 4G and sometimes even service. Last night when i was on a call, it dropped and the signal reflected that i was running on edge then it switched to someting that said "G." I looked at my brother's siii and he was also on edge. So i tried putting it on airplane mode however it would not go through. It's as if i never pressed anything. So i had to restart the phone and it was on airplane mode, so i took it off then about a minute and a half later i got 4G back. Today when i was browsing the web, i randomly lost 4G again but this time i continued to have signal just no data. About a minute later I got it back. About a minute later i lost it again and regained it about a minute later. I havent noticed anything else about the phone and ive had it for about a week and last night was the first time that i restarted it. Any ideas? Has anyone else experienced this? Thanks!

I'm also having the same problem it just happened to me today also and happened the other day when I restarted phone it did nothing then I did airplane mode that didn't do anything so I clicked the enable packet data off then on an item came back in hoping it's not going to be a hardware problem cause I've dropped calls for no reason and had no service or bars were showing but had no edge 4G etc
Sent from my SGH-T999 using xda app-developers app

ballenone said:
I'm also having the same problem it just happened to me today also and happened the other day when I restarted phone it did nothing then I did airplane mode that didn't do anything so I clicked the enable packet data off then on an item came back in hoping it's not going to be a hardware problem cause I've dropped calls for no reason and had no service or bars were showing but had no edge 4G etc
Sent from my SGH-T999 using xda app-developers app
Click to expand...
Click to collapse
Yeah it's really weird, when I was using mt4g, it would do that randomly as well, I'm not sure if it's a phone or a network issue. Anyone else experiencing this random drop in data?

Same here I think it's a common issue with tmobile devices.
Sent from my SGH-T999 using xda premium

I think is just the network it had happened to me but while driving some place and Idk if is the coverage but other then that I do see going from h+ and 3g, I have a custom theme install
Sent from my SGH-T999 using Tapatalk 2

I just moved from Sprint to Tmo and I'm getting the same on my S3. It would look like i have good 4g coverage with 3 bars then all of a sudden it goes to Edge. So I have to wait for it to go back to 4g to start surfing. Edge is like 15kbps for me which is not even modem speed which is 56k. If I accidentally start surfing on Edge it seems to wanna stick to Edge until I close whats using data then it will eventually go to 4g. But when I get 4g its awesome and I get over between 6meg to 12 but only 40% of the time. I called Tmo and they said I have great 4g coverage where I'm at....ya sure.

aznmode said:
I just moved from Sprint to Tmo and I'm getting the same on my S3. It would look like i have good 4g coverage with 3 bars then all of a sudden it goes to Edge. So I have to wait for it to go back to 4g to start surfing. Edge is like 15kbps for me which is not even modem speed which is 56k. If I accidentally start surfing on Edge it seems to wanna stick to Edge until I close whats using data then it will eventually go to 4g. But when I get 4g its awesome and I get over between 6meg to 12 but only 40% of the time. I called Tmo and they said I have great 4g coverage where I'm at....ya sure.
Click to expand...
Click to collapse
Ha ha tell them to give you credit Lmao
Sent from my SGH-T999 using Tapatalk 2

It's them rebooting equipment due to all the upgrades they're adding.
Sent from my MyTouch 4g

hedjemunkee said:
It's them rebooting equipment due to all the upgrades they're adding.
Sent from my MyTouch 4g
Click to expand...
Click to collapse
This is very good for a lot of reasons!! Can't wait.
Sent from my SGH-T999 using Tapatalk 2

I just checked settings... battery... cell standby... 45 percent without signal.... anyone else check those stats? I got people telling me they called but no record on my phone

cwalker0906 said:
I just checked settings... battery... cell standby... 45 percent without signal.... anyone else check those stats? I got people telling me they called but no record on my phone
Click to expand...
Click to collapse
I've only experienced outright loss of signal once, which was last night. So far nothing else has happened really. It was just odd that my phone won't even go into airplane mode until I rebooted the device.

Same thing happened to me. I was actually quite worried and about to send my phone back. Everything seems to be working okay now. No issues.
Sent from my SGH-T999 using Tapatalk 2

this has driven me mad for the past few days. recently I upgraded to a S3 and my dad got a S 4G (which was released 2 years ago). while we were in Costco, my S3 randomly switched to Edge while the S 4G has 4G all the time. ALso we were on vacation to San Francisco so I could experience "Tmo largest 4G network." While we were in a hotel in Fremont, my S3 again switched to Edge and back to 4G randomly while the S 4G had 4G. also the signal is not stable at all. sometimes(1 or 2 times) it even dropped to zero bar. SOMETHING wrong with samsung phones. I read somewhere someone had this issue with the S2 also. I can live with the HSPA+ for 2 years, but hey dont give me random Edge like that
I plan to go exchange for a new phone at Costco... probably a new S3 to see if the issue still exists...

K12123 said:
My gsiii for some odd reason loses 4G and sometimes even service. Last night when i was on a call, it dropped and the signal reflected that i was running on edge then it switched to someting that said "G." I looked at my brother's siii and he was also on edge. So i tried putting it on airplane mode however it would not go through. It's as if i never pressed anything. So i had to restart the phone and it was on airplane mode, so i took it off then about a minute and a half later i got 4G back. Today when i was browsing the web, i randomly lost 4G again but this time i continued to have signal just no data. About a minute later I got it back. About a minute later i lost it again and regained it about a minute later. I havent noticed anything else about the phone and ive had it for about a week and last night was the first time that i restarted it. Any ideas? Has anyone else experienced this? Thanks!
Click to expand...
Click to collapse
T-Mobile's 4G network works in a interesting way (do all HSPA+ networks work this way?). They idle in UMTS mode (3G) until there is network activity, and then switch to HSPA+ (4G) mode. The network changing is an automatic thing does to save battery life ("Cellular standby" is often the largest battery drains).
Ever use an AOSP-based ROM (i.e. Cyanogenmod)? You'll sometimes see the network indicator in the status bar switch between 3G to H+ to 4G, etc as you use it. Stock T-Mobile ROMs are hard-coded to always say "4G", but if you go to Settings → About phone → Status, you can watch the network type there change as well as the phone does anything over the cellular network.
You should never be dropping to GPRS or EDGE. Perhaps the mechanism described is defective on your phone?

Happened again today. Had signal but no 4G, not even Edge, just bars. i think it happens whenever the signals low. Thoughts?

I'm having the same issue at my work place. I'm getting Edge (50-80%) more often at my desk, when previously with my SGS2 it stayed at 4G all the time. Checking Cellstandby I am getting 31% time without signal.
Is there a setting to force 4g connection?
My office is in Cupertino, CA and reception is not bad in general, but there are a few locations with 4G dead spots.
I'll check my reception again at home (Santa Clara, CA). I can do a side by side comparison with my SGS2 (now belongs to my wife).
On call with TMO right now, they are going to do a reset of the phone in their system, then I will need to do a reboot. Fingers X'd that things will improve.
BTW, what options do I have to get a replacement phone if I bought mine from Walmart? Do I need to send it in or can I do an instore exchange? Just got it on Sunday. Will I incur any fees if I returned the phone?
---
Reset didn't work. Passed on to level 2, there submitting a service request to check reception in the area. Need to follow-up on Friday if the reception is still bad. Since I'm in Cali I do have 30 days to return the phone.

I have similar reception issue but I dont lose signal completely. I will go from 4g(hspa+) to 3g to edge then it will switch back to 4g after 30secs-60secs. Quite annoying since I will be stationary and it will happen and it happens more when Im in a car. Never had this problem when I had the Nexus One.

sfsilicon said:
I'm having the same issue at my work place. I'm getting Edge (50-80%) more often at my desk, when previously with my SGS2 it stayed at 4G all the time. Checking Cellstandby I am getting 31% time without signal.
Is there a setting to force 4g connection?
My office is in Cupertino, CA and reception is not bad in general, but there are a few locations with 4G dead spots.
I'll check my reception again at home (Santa Clara, CA). I can do a side by side comparison with my SGS2 (now belongs to my wife).
On call with TMO right now, they are going to do a reset of the phone in their system, then I will need to do a reboot. Fingers X'd that things will improve.
BTW, what options do I have to get a replacement phone if I bought mine from Walmart? Do I need to send it in or can I do an instore exchange? Just got it on Sunday. Will I incur any fees if I returned the phone?
Click to expand...
Click to collapse
Question. With your s2 what happens if you're in an area without 4g? Do you get edge?
Sent from my SGH-T999 using Tapatalk 2

I am having the same issue. I had perfect 4g coverage all over my town, (I live in south texas). The problems started 2 days ago, when I lost all 4g coverage. I took out my sim card and placed it back in and the 4g logo came back on. But now I have been noticing that my cell signal will completely drop and then slowly come back up. This has happened several times. I also went to tmobile and changed my micro sim card and the issue remains. AND NOW I AM ON EDGE!!!!!

Has anyone been able to get a replacement and did it fix the problem?
Sent from my SPH-L710 using Tapatalk 2

Rooting issue or just coincidence?

Hey guys, I just a sprint gnex phone a few weeks back and ran the GNex toolkit v9.1 to unlock and root it this past saturday so I could use a hotspot app for my tablet.
I don't know if this is just a bad coincidence or if I did something wrong..I'm not new to roms and have modded my previous phone (evo 4g) about 50 times, but here's what's happening.
Prior to this weekend I had full signal/bars..Now I can barely get 2..It's mostly sitting at 1 bar and sometimes drops the connection entirely. At the same time, every txt msg I send comes back with an error stating it did not send, however...It does actually go through, twice even. This happens with every text to every person.
I didn't put a rom on it, and I didn't even install clockwork mod...I simply just unlocked the bootloader and rooted it. I did setup google voice afterwards. I can't see how doing this would cause these kind of issues and I haven't called Sprint yet as I absolutely despise their customer service..I'd rather get feedback here first.
The coincidence that I'm referring to is that I'm in Austin, Tx and they're in the process of spinning up 4g LTE towers right now..If by chance they started upgrading my tower this weekend (yesterday & today) then I could definitely see these issues...I walked down about 2 blocks where I do get a full 4g signal, but my txting still had the same issue.
Any ideas or thoughts about my problems?

On one hand, I would tell you that rooting doesn't cause that.
On the other hand, you used a toolkit, so who knows what you ended up doing.

If you haven't changed anything as far as ROMs or mods, then I would suspect you're right about something with the network. The only other thing I can think of would be hardware problems of some kind. That seems a lot less likely though. Sprint does supposedly keep a list of networks that are being worked on. You could check in with them and see if the one in your area is being upgraded.
Sent from my Galaxy Nexus using xda premium

Pierceye said:
If you haven't changed anything as far as ROMs or mods, then I would suspect you're right about something with the network. The only other thing I can think of would be hardware problems of some kind. That seems a lot less likely though. Sprint does supposedly keep a list of networks that are being worked on. You could check in with them and see if the one in your area is being upgraded.
Sent from my Galaxy Nexus using xda premium
Click to expand...
Click to collapse
I do know they are upgrading the towers in my zip code to LTE 4G..I'll give em' a call tomorrow and see what they say.
This was the toolkit that I used.
http://forum.xda-developers.com/showthread.php?t=1995688

happened to me.
Reboot your phone and go to about and sprint system update.
update profile.
Idk why but its sometimes happens for no reason.
Make sure you have good connection first.(go outside)
If that doesnt work update prl to make the network find the closet tower to you.

robogoflow said:
happened to me.
Reboot your phone and go to about and sprint system update.
update profile.
Idk why but its sometimes happens for no reason.
Make sure you have good connection first.(go outside)
If that doesnt work update prl to make the network find the closet tower to you.
Click to expand...
Click to collapse
I was trying that repeatedly hoping it would fix it..but it doesn't.
On another note, today when I woke up and rebooted the phone I had full bars on 4G signal..Thought life was good and then about 5 mins later it was back to 1 bar 3G. That's the first time I've seen a 4G signal here in my apartment so I'm hoping it really is just the towers in my neighborhood being converted to 4G right now.
I've rebooted my phone 3 times now and the same occurrence happens..Full signal with 4G for a few mins, and then it drops to 1 bar 3G..Have updated my profile and PRL and tried airplane mode..Only way to get that 4G signal back is to reboot the phone..Won't stay on 4G though.