Develop Bugs

[Q] 3g connection will not stay up

So for the past 2 weeks I am having issues that basically render my phone unusable for 99% of the reasons I bought it. Posted a thread before but I think it got lost when the forums were having some instability around that time...
My 3g connection will NOT stay up. I did nothing to provoke this. No system changes. The sequence of events:
-Went out of the country with my phone on airplane mode the whole time
-Got back, a day or two later had an incorrect timestamp on my incoming SMS (they were showing up +3 hours)
-Called customer service, she activated a tester phone and confirmed that it was a system-side issue on the incoming SMS (somehow they were getting a timestamp from the system where my number is located, in Eastern time, while I am actually located in Pacific nowadays).
-Put in a trouble ticket after 2 hours trying to solve the SMS issue over the phone.
-Next day, my 3g connection begins dropping CONSTANTLY. As it stands, it won't stay connected more than 30 seconds. It will cycle to 1x sometimes, and then drop to a basic-service-only.
-Tried reinstalling my ROM several times to no effect.
-Started experiencing some very strange noises in SOME calls, such as it sounding like a chainsaw when the other person is talking. Happens very sporadically.
-Just today I found some instructions here for correcting my NAM settings, which were actually messed up as it turns out, but didn't fix anything.
At this point I actually have the phone unrooted and back to factory default everything, with no change. I've got a warranty replacement phone coming in shortly, but I'd still rather keep this one if I'm able to.
Is there anything I haven't tried that might be the case on my end? Has anyone seen this problem before? Has my phone antenna simply gone belly-up, or is this something that might still be fixed at some deep system-setting level, or with further calls to tech support?

So... I guess that's a no?

Gornul said:
So... I guess that's a no?
Click to expand...
Click to collapse
Had the same problem with my phone before I rooted my phone and starting to apply ROM's. I havent had a problem since. But when I had that problem, I would just keep turning on and off the 3g and it would stay for a while. It was just a quick fix but it worked. Off subject how did you unroot your phone and put it back top stock?

My phone just started doing this this yesterday. Whenever I reboot it, it'll come up, switch to 1x mode. After a while it'll try to switch to 3g mode, fail, switch to no service, and then either go to just basic voice with no data or back into 1x mode. I've tried updating the radio, switching roms, dialing *228, nothing seems to help.

Jager, instructions on a full reset are right here under section 6. I'm not sure why it's struck out. Definitely suggest poking around more first.
New phone's in and still having major connectivity issues. The SMS timestamp remains as it was, and I can't get (steadily) more than like 35kbps. I'll occasionally bump to 500kbps for a quick spurt, and then my connection will drop entirely and struggle to get back up to 35kbps. My wife's Incredible works perfectly fine in the exact same locations, too, so this is something that absolutely has to be on Verizon's side, specific to my line.

Me too
My phone has also been experiencing the loss of 3G service as well. I checked my wife's Moto Droid 1 and it was also having difficulty connecting as well. I called Verizon and they were absolutely no help whatsoever. I am either getting nothing or 1X in places where I have always had 3G. This is very frustrating. I have flashed 3 different ROMs (all of which have worked fine in the past), but the result always seems to be the same. Anyone else out there with this issue?

khukman said:
My phone has also been experiencing the loss of 3G service as well. I checked my wife's Moto Droid 1 and it was also having difficulty connecting as well. I called Verizon and they were absolutely no help whatsoever. I am either getting nothing or 1X in places where I have always had 3G. This is very frustrating. I have flashed 3 different ROMs (all of which have worked fine in the past), but the result always seems to be the same. Anyone else out there with this issue?
Click to expand...
Click to collapse
Someone help! Same issue! I can no longer get data....PERIOD. I have to stay connected to wifi, or I don't get my emails, internet, etc.
Need to fix this!

3G connection issues
I just got off the phone with Verizon Tech support. They are CONVINCED that it is an issue with my phone (and my wife's). Gee, how can 2 different phones, from different manufacturers have the SAME issue at the SAME time? Hmm, doesn't sound very promising to me.
They are sending out a replacement for my wife's Moto Droid to see if it is a phone issue (she has been having other issues with it anyway...). If hers improves, I may send mine back, but I don't want to have to unroot, etc. Plus I like the Super-Amoled screen . When did trouble-shooting turn to "replace the hardware first" ???
Regards!

This happened to me recently as well and was fixed with a factory reset.
I am rooted with S-off, so a normal factory reset via Menu->Settings->SD & Phone Storage-> Factory Data Reset didn't go well for me. Not sure of the exact reason, but I just followed the instructions in this post to restore: http://forum.xda-developers.com/showthread.php?t=786436
Programming your phone by dialing *228 is necessary afterwards as well, as khukman states below. Thanks for pointing that out.
After I completed this, I redid root, restored my nandroid backup and didn't lose a thing, plus my 3G is working again!
*A fair warning: Doing this formats the internal storage (emmc). I'd recommend backing up any photos, music, etc that you have stored on emmc before doing this!
Sent from my Droid Incredible

So I tried the above suggestion about going back to completely stock 2.2 and I have the same results. On one hand, I am now back to S-ON and stock Froyo, so if I want to send it back to Verizon, they are none the wiser that I was rooted, but on the other hand I STILL HAVE CRAPPY 3G SERVICE!!! Man, I feel like I'm on AT&T or something LOL! I'll keep an eye on it for the rest of the day and see how it does and report back.

Back in 3G!!!!!
After getting back to stock Froyo, as described in the previous post, I was still unable to get a good 3G lock. I read in another thread where someone did a 'Factory Data Reset' and it took care of it. When you do this, you have to dial #228 and let it program your phone as it did the first time when you got it. Once I did this, I had (and still have) a solid lock on 3G like I used to. I think that it was one of the Sprint ROMs that screwed this up in the first place (the OP states that you have to backup your PRLs, etc. before installing, then re-install them afterwards). I can't remember if I did this or not, so it may be my fault after all, but regardless, I am thrilled that once again I have a connected smartphone thanks to the resources contained on XDA!
Regards!

I myself am now rocking a refurb that has no trouble at all... A complete revert to stock did absolutely nothing to resolve my trouble.
Though I didn't try doing a factory reset AFTER reinstalling the stock ROM. Hmm. Maybe there was something in the cache still. I suppose in my case I'll never really know, but I'm glad you guys were able to resolve the situation with your original hardware.

Gornul said:
I myself am now rocking a refurb that has no trouble at all... A complete revert to stock did absolutely nothing to resolve my trouble.
Though I didn't try doing a factory reset AFTER reinstalling the stock ROM. Hmm. Maybe there was something in the cache still. I suppose in my case I'll never really know, but I'm glad you guys were able to resolve the situation with your original hardware.
Click to expand...
Click to collapse
Did you follow the steps in the thread I posted above? Doing that should completely format and re-image your phone. Much more than just installing a stock ROM. I myself tried so many different variations of ROMs, radios, etc and nothing did the trick until I followed that thread.
Sent from my Droid Incredible

[Q] Major WiFi issue out of nowhere?

Hey all. I need some advice. This morning my G3 (D850) dropped WiFi connection for no reason. It says the signal is good but the network info says saved, secured. It will attempt to connect over and over again and if it does connect the signal is weak as can be and it drops the connection within 2 seconds. My coworker has a G3 also and is connected to the same work network I am. His connection says excellent where as mine said good. His device connects just fine with full bars. I'm baffled. I've already tried manually selecting 2.4 Ghz and 5 Ghz instead of auto select and that didn't help at all. I've tried manually turning off WiFi and turning it back on. I've tried turning airplane mode on and then off to refresh the connection and that didn't help. I've done a battery pull as someone in one of the android authority forums suggested that (apparently I am not the only one having this issue.), didn't work. I've unchecked WiFi optimization - no dice. There was another post on a different forum here on XDA that said turning off WiFi and then deleting the WiFi config folder located in data/etc/wifi and then rebooting fixed the issue for them so I tried that. After reboot when I tried to turn on WiFi my G3 rebooted itself. Does it everytime. SO, I had to restore to a nandroid backup (btw I'm on rooted stock 10f) to get the phone to stop hating my WiFi toggle attempts. Last ditch effort I did a factory reset hoping for an easy fix... Nope. I don't know what else to try. It was fine yesterday all day. This morning it was perfectly fine and then randomly started having this issue. I haven't altered any system files whatsoever. I really don't want to send my device to LG for warranty replacement so I'm hoping someone can help me out that may have had this issue and resolved it. The only difference between my device and my coworkers device is he is still on 10d and I am on 10f. That could be the issue I guess but that doesn't really explain why my device has been perfectly fine until this morning and I've been on rooted 10f for weeks. I am planning on flashing back to straight bone factory stock 10d when I get home here in a few hours from work but Idk if that will help or not. Judging from the amount of google search results of "LG G3 WiFi connection problems" this seems to be an issue for several people. I won't know if it's on the software side or hardware side until I get home but in the meantime has anyone had these issues at all? People have had success in changing to Static IP but I would have to do that for every connection I attempt to connect to and that's a pain in the a$$. Also, that does nothing to identify the root cause of the issue. Any help would be greatly appreciated. =)

BreakingVZW said:
to much words
Click to expand...
Click to collapse
try deleting /data/misc/wifi then reboot, it that doesn't work try an other kernel(rin kernel is good)

suljo94 said:
try deleting /data/misc/wifi then reboot, it that doesn't work try an other kernel(rin kernel is good)
Click to expand...
Click to collapse
Thanks for the reply. So it turned out my phone just randomly decided it doesn't like my work network anymore. Idk why lol. I got home and it hooked right into WiFi. Gf's WiFi and open networks as well. I call shenanigans. I went ahead and flashed back to 10d anyway though.

BreakingVZW said:
Thanks for the reply. So it turned out my phone just randomly decided it doesn't like my work network anymore. Idk why lol. I got home and it hooked right into WiFi. Gf's WiFi and open networks as well. I call shenanigans. I went ahead and flashed back to 10d anyway though.
Click to expand...
Click to collapse
I am having the same issue! But it is happening in other networks too...sometimes I get the phone to connect but it only works for a while and when I check the networks it only says Saved, even if I try to connect again

Having the same issue, whether at work or home, my wifi has become near useless. I've even gone as far as trying a different ROM. Didn't work.

Same thing here

I also have tried factory reset, installed a new ROM, changed settings in my router... but the problem remains I don't know what to do anymore, I use wifi a lot!! I searched through other topics but no one seem to know how to solve it. Unfortunately my warranty already expired, I took my phone to some technicians but honestly it didn't help at all...they all said it was a software bug and I should wait for an update but if it was just that a new ROM would fix it,right?
I am not very familiar with phone hardware but I assume that if it was a hardware problem I wouldn't be able to turn it on or connect to any network, right?? (any experts here???)
Any solution is welcomed.

anyone please?? :crying:
P.S : I tried a new baseband, new kernel and new ROMs. So far, nothing changed.
I can connect sometimes but get kicked out within minutes. At other times I only get the saved,secured message.
This is happening in every network

Strange Bluetooth/WiFi interaction after MM update

Hi everyone, I'd really appreciate any help anyone could give me in solving this problem...
I upgraded to MM a few weeks ago and at first had some odd WiFi issues where the phone would not connect, or stay connected very long. After about half a day of tearing my hair out, clearing my cache, and reinstalling apps it all seemed to "come good", and had been ok for a few weeks.
A few days ago, however, everything went bad again. Here is what is happening:
On my 2.4Ghz wifi network, when the phone is woken up using the power button or double tap, WiFi does not work. The phone reports that it is connected to WiFi, and (according to the Ping Tools app) has an IP address, but there is no connectivity to the outside world (or even to my router or NAS box). After about a minute or so, the connection magically "comes good" again, and the WiFi works normally. This is very frustrating as while the phone is asleep it has no IP connectivity so I don't get any notifications for email/messages etc. I have the default "yes" setting for the "Keep Wi-Fi on when screen is off" option BTW.
I have discovered that if I switch to the 5Ghz WiFi network on my router then I do not get this behaviour - the WiFi stays connected while the phone is asleep and there's not the same period of no connectivity when it wakes up. Unfortunately the 5Ghz network doesn't reach to the front of my house so this isn't a viable solution.
I have also found that the odd behaviour does not occur if I disable Bluetooth on the phone. Since I use Bluetooth audio in my car, it's a bit of a pain to disable/re-enable it but it's the workaround that I'm currently using.
The strange behaviour does not occur if I reboot the phone into Safe Mode... the WiFi stays connected while the phone is asleep, and 2.4Ghz WiFi works straight away when the phone is woken up. This seems to indicate that an app might be the culprit.
To try and diagnose this I have
- cleared the cache and rebooted a number of times, to no avail
- done a factory reset and reinstalled my apps from Google Play, but end up in the same (broken) state
- changed the default channel for 2.4Ghz WiFi on my router several times
So I'm at my wits end now. I guess I could do another factory reset and reinstall my apps manually, one by one, and see which one (if any) breaks things. But I'd like to to try and avoid this. Does anyone have any suggestions as to how to determine what could be causing the problem?
Phone is an H815 running Android 6.0, V20a-EUR-XX. Totally stock, locked bootloader.
Sorry for the lengthy post.

I have approximately the same thing. Switching Bluetooth doesn't help in my case. I had to wipe cache from within the phone to make it get better again.
One other thing was to throw away my aluminium bumper. Do you maybe have one ?

ChriKn said:
I have approximately the same thing. Switching Bluetooth doesn't help in my case. I had to wipe cache from within the phone to make it get better again.
One other thing was to throw away my aluminium bumper. Do you maybe have one ?
Click to expand...
Click to collapse
Oh, I got excited at your case suggestion as I got a new case a couple of weeks ago which does have an aluminium bumper. But I just took the case off and alas the problem remains.
Unfortunately clearing the cache doesn't work for me. I also found a setting under Backup and Reset to reset network options but this didn't help either.
Next step might be to reinstall the OS or try the repair option in LG Bridge. Unless anyone else has a better idea?

sladflob said:
Oh, I got excited at your case suggestion as I got a new case a couple of weeks ago which does have an aluminium bumper. But I just took the case off and alas the problem remains.
Unfortunately clearing the cache doesn't work for me. I also found a setting under Backup and Reset to reset network options but this didn't help either.
Next step might be to reinstall the OS or try the repair option in LG Bridge. Unless anyone else has a better idea?
Click to expand...
Click to collapse
Sorry :/ for me the bumper then cache clearing did it... New case on the way ^^ I wish you good luck!

sladflob said:
Hi everyone, I'd really appreciate any help anyone could give me in solving this problem...
I upgraded to MM a few weeks ago and at first had some odd WiFi issues where the phone would not connect, or stay connected very long. After about half a day of tearing my hair out, clearing my cache, and reinstalling apps it all seemed to "come good", and had been ok for a few weeks.
A few days ago, however, everything went bad again. Here is what is happening:
On my 2.4Ghz wifi network, when the phone is woken up using the power button or double tap, WiFi does not work. The phone reports that it is connected to WiFi, and (according to the Ping Tools app) has an IP address, but there is no connectivity to the outside world (or even to my router or NAS box). After about a minute or so, the connection magically "comes good" again, and the WiFi works normally. This is very frustrating as while the phone is asleep it has no IP connectivity so I don't get any notifications for email/messages etc. I have the default "yes" setting for the "Keep Wi-Fi on when screen is off" option BTW.
I have discovered that if I switch to the 5Ghz WiFi network on my router then I do not get this behaviour - the WiFi stays connected while the phone is asleep and there's not the same period of no connectivity when it wakes up. Unfortunately the 5Ghz network doesn't reach to the front of my house so this isn't a viable solution.
I have also found that the odd behaviour does not occur if I disable Bluetooth on the phone. Since I use Bluetooth audio in my car, it's a bit of a pain to disable/re-enable it but it's the workaround that I'm currently using.
The strange behaviour does not occur if I reboot the phone into Safe Mode... the WiFi stays connected while the phone is asleep, and 2.4Ghz WiFi works straight away when the phone is woken up. This seems to indicate that an app might be the culprit.
To try and diagnose this I have
- cleared the cache and rebooted a number of times, to no avail
- done a factory reset and reinstalled my apps from Google Play, but end up in the same (broken) state
- changed the default channel for 2.4Ghz WiFi on my router several times
So I'm at my wits end now. I guess I could do another factory reset and reinstall my apps manually, one by one, and see which one (if any) breaks things. But I'd like to to try and avoid this. Does anyone have any suggestions as to how to determine what could be causing the problem?
Phone is an H815 running Android 6.0, V20a-EUR-XX. Totally stock, locked bootloader.
Sorry for the lengthy post.
Click to expand...
Click to collapse
Tihs issu not MM specific exist on LP
Try another chanel (In router)and use only N 2.4 Ghz
But is see you try..
Go and use warranty.!!!

I think I've fixed it. I just started uninstalling apps and checking to see if the behaviour persisted after uninstalling each one. After uninstalling TuneIn Radio the WiFi started working with Bluetooth enabled again. I reinstalled all the apps that I uninstalled (including TuneIn) and everything seems to be working again. I doubt it had anything to do with TuneIn - just a weird interaction of who knows what. It's not terribly satisfying and I suspect it will happen again, but hopefully this thread will help someone who might have the same problem.

LG G3 wifi problems and more

I've had my G3 for 18 months now and over the past 4 weeks I've had problems with the wifi dropping and reconnecting again. I tried the tips from people I found on other websites but nothing cured the problem. Usually I would forget the wifi and then reconnect to it. That would usually work for a few hours, but then it would drop again.
Around the same time my SD card would unmount too. I originally put that down to it being old, so I bought a new one, but again, same problem. I've not been using one since.
3 days ago the battery drained itself within a couple of hours and the phone failed to connect to any wifi at all.
In fact it kept resetting itself and I had to take the battery out so it could turn on again.
I purchased a new battery and the life has improved a bit but the wifi problems persist.
I did a factory reset hoping that would cure the problem, but nope, still not connecting to any wifi.
I was a sent here to seek advice from a Techie Forum, so hopefully you can help me out!
I've had a quick look and I feel a bit overwhelmed with all the root and flash talk....
Does this problem all come down to Lollipop being a pain in the ass?
Is rooting the only way to get around it?
Thanks in advance!!

Well, you've either loaded some software that has caused the issue or you have a hardware problem somewhere. If it's been working for 18 months, it doesn't just "go wrong" - something has to change.
So, have you loaded anything recently which you also reloaded after the full factory reset?
Alan

When you have no internet, would you mind going to about phone > hardware info and check what ip adress you have? Most likely 02:00.. That's my exact problem.

Never loaded any software on to the phone except official updates or apps from the store. As i said, first it was intermittent and now it wont connect at all. Bluetooth connection has the same problem.

On the "about phone settings" it just says Wi-Fi mac address unavailable, ?

Android 5.0?
Did you install any custom roms? I'm trying to find a way to solve this but I'm failing to do so.. You can send your phone to warranty, if you still have it and they'll give you a new one :/

yes android 5.0, I've had my phone since July 14 so out of warranty now I would think. No, I've never used any custom roms. There seems to be a lot of other people with similar issues, and they have gone down the root route and delete a file from data misc wifi wpa_supplicant.conf. ?
Might have to try that, but I've never done it before.

Don't think that would solve your problem since I've already tried that and failed :/ It sucks really bad, rooting definetely helps since this is a root issue..

Think I'll just take it to a repair shop. I's a shame because I really love the the phone. It's got to be resolved though because I can't keep going without WiFi. Still got 5 months before I can upgrade too.

I don't think sending it to repair shop is a good idea.. At least 100,150€ to fix it.. If you sell the phone for 150-200€, you can get close to the money for the G5 which will come out in about a month.. Try to use data, dunno...

After updating to stock MM on my LG G3 D855, I had problem with wifi but only at home. It turned out to be a problem with IPv6 DNS servers on my home router (VDSL). I tried 2 solutions and both worked - first I tried app that makes VPN connection with correct DNS servers: DNSet (https://play.google.com/store/apps/details?id=com.dnset) and it worked. Then I tried to find (and succeeded) IPv6 DNS setting on my router and there I entered Google IPv6 DNS servers. After that, I uninstalled DNSet and everything worked.

Very weird WiFi issue

Hey guys. I'm having a very weird WiFi issue on my A520F.
Today the WiFi froze. It wouldn't turn off when I switched it off. After I while it turned off but took ages to turn it on again.
I factory reseted the device because I thought it was a software issue. It didn't work - after the first boot it was the same.
After a while after this, the WiFi started working again, but only for a period of time, then it would just freeze again for apparently no reason. Switching it off and on solves the issue for a while, then it freezes again saying that my WiFi is limited.
I can't take any logs since I'm not rooted (and don't have a PC to use ADB), and this is really scaring me since it happened out of nowhere. An hour before this started happening WiFi was working just fine.
I haven't installed anything unusual today, just connected for the first time on a new, but trusted, WiFi.
I've also reseted my WiFi router to its factory settings, thinking that it could be the issue, but the problem persisted. My Chromecast works just fine on the very same network.
Did this happened to anyone before? I've tried to root my phone a while back and, since it didn't worked out, I gave up and flashed the latest firmware from my country. This phone originally came with German firmware in it and I flashed it to a Brazilian one, which is the one I'm using and had no issues so far.
Can this be a hardware issue?
Thanks in advance!

So I guess I'll end up solving this on the weirdest way I can imagine.
After I posted I logged into my modem's settings and took a log at its logs. Seems that the moment this issue started to happen was near the time that the DNS server my modem was using started to fail.
I never thought that such a simple thing could mess this things like this. I mean, the DNS server is essential, but how that could freeze my phone's WiFi? Either way, I changed the DNS to Google's DNS and since then I haven't had any freeze or disconnetion. I'll test a bit more to see if the problem is gone.

Well, I do believe that I found the root of the problem.
As some of you may know, modems tend to stay on for a very long period of time (no one wants to lose internet connection, so we rarely reboot then), and for reasons I don't know (and as a tech support guy I've seen this happen A LOT) they freeze sometimes and only work again after being completely turned off and on.
Since the issue started again when I was messing with the modem settings (trying to change the DNS again to see if the problem would return), I decided to give my modem a few minutes of rest.
After that, I've powered it on again and went through the initial setup (my ISP provides an simple wizard when you first connect to the WiFi) and up until now I'm not having issues.
I'll wait a few more hours to report again, but so far so good.
So it seems that giving those things a few minutes rest every month or so isn't a bad thing at all.