[Q] Issue with call dropping when I first answer the phone - AT&T LG G2

Hello!
Just recently I've been having an issue with my phone. I was on Stock 20k firmware and when I would answer a call, the call would drop. I ended up flashing the modem for D800 that fixes the text message lag and I thats when I started to notice it. I ended up completely reflashing my phone back to stock 10o via LG Flash tools and upgrading over OTA all the way to 20y and rooted with stump root. I still have the issue, I think it may be my microcell but my brother has a S3 and he doesn't have the same issue so I believe it has to do with my phone. Has anyone ever had this issue? Its extremely annoying, im tempted to go back to 10o again and see if it does it. Ive tried almost everything on my end. Also if the person ends up calling me back or if I call them back the call works fine. Its a really weird bug.
Thanks of your help.

Tremulant1 said:
Hello!
Just recently I've been having an issue with my phone. I was on Stock 20k firmware and when I would answer a call, the call would drop. I ended up flashing the modem for D800 that fixes the text message lag and I thats when I started to notice it. I ended up completely reflashing my phone back to stock 10o via LG Flash tools and upgrading over OTA all the way to 20y and rooted with stump root. I still have the issue, I think it may be my microcell but my brother has a S3 and he doesn't have the same issue so I believe it has to do with my phone. Has anyone ever had this issue? Its extremely annoying, im tempted to go back to 10o again and see if it does it. Ive tried almost everything on my end. Also if the person ends up calling me back or if I call them back the call works fine. Its a really weird bug.
Thanks of your help.
Click to expand...
Click to collapse
I have the same issue. No firmware modifications to my G2, everything is stock. I have always had problem connecting to the microcell and now I am on my 3rd microcell and my second G2. Constant disconnects, as soon as the call connects or about after 5 seconds. I can call back and it will be fine after that first disconnect. Getting less disconnects now but it still happens. Recently, I switched to Cox from AT&T Uverse and got a SB6580 modem. Opened up all the required ports for the microcell and now my call quality is 10 times worse than before. I can hear the caller crystal clear, they can hear me for a few mins and the it goes downhill from there. I called and left voicemail for myself on another phone and it is the worse call quality I ever heard. Barely audible and cutting out. I ran the same test with my wife's Galaxy S5, and didn't have any issues at all. At this point I don't know what to do except to get rid of this phone. Please let me know if you have found a fix.

Related

Duplicate text messages being received by people on AT&T Network

I am having an issue where people on the AT&T network are telling me when I send txts they are receiving a significant portion of the messages twice. Is this a verizon issue or a phone issue?
I am running DAS Bamf remix 1.7.
If anyone could help it would be much appreciated.
Okay I just was told by someone on Verizon they are receiving duplicate txts as well. Any suggestions, I am using the default SMS msging app that comes with sense.
i've had it happen to people off and on over the years, so I would hope that its not a phone issue.
problem is today its happened a ton of times so I am getting concerned they had me pull my sim card which made no difference
Do you think I should unroot back to stock before calling again?
I reverted back to stock and havent had a issue yet, wonder why
yeah ive had this happen to me rarely, but i dont think its because of the phone, my theory is that its the network just doing it randomly, but thats just my thought
Even at 100% stock it still did it.
I am going to call them up again. I think its random too cause some days it doesnt happen I am being told by my friends.
did that to me the other day as well. Stock, not rooted thunderbolt. I think its a verizon problem.
Happens to me to like every too months.....
Sent from my ADR6400L using XDA Premium App
this has happened to me for years off and on. that I know of there's nothing you can do about it.

[Q] Can't make or receive calls

Started a couple days ago, using straight talk AT&T sim on my nexus 5, Data and text messages work fine, but whenever I try and make a phone call the signal drops completely and calls won't connect. People been telling me when they try to call it goes straight to voicemail. I'm running stock rom. Any suggestions? Straight talk and Google both with no help.
Have you tried a different sim card from like a friends phone to make sure its not the phone itself? You can also try to call ATT to see if its on their end.
Sent from my Nexus 5 using XDA Premium 4 mobile app
Swapped sims with my wife. Mine worked on her phone hers didn't on mine. Think it might be a hardware issue on my phone and I got it on Craigslist so I think I'm screwed
Sounds like it definitely is a hardware issue now or something with the Sim tray. Sorry to break it to ya. Hopefully you can work something out with the guy on Craigslist.
Sent from my Nexus 5 using XDA Premium 4 mobile app
Thanks. I have had the phone for about 4 months with no issues. I K of its not the sim tray because I still get data and texts and I can receive calls sometimes if I have dull reception somewhere. It just started all of a sudden, pretty frustrating
I just the same issue today as you. It was a ROM issue. I was on PA. I switched to aokp for now.
Sent from my Nexus 5 using XDA Premium 4 mobile app
backside floaters said:
Started a couple days ago, using straight talk AT&T sim on my nexus 5, Data and text messages work fine, but whenever I try and make a phone call the signal drops completely and calls won't connect. People been telling me when they try to call it goes straight to voicemail. I'm running stock rom. Any suggestions? Straight talk and Google both with no help.
Click to expand...
Click to collapse
I had this issue on the stock, unrooted ROM after about 4 months as well. I think the cache partition was corrupted. You can try wiping this in recovery and see if the problem fixes itself.
I didn't think of just wiping the cache, so instead I did a factory reset by unlocking the bootloader and everything cleared up.
Now I wipe the cache partition roughly once a month and the phone runs like a champ. Also I use sdmaid to clear the device from junk that accumulates over time.
Sent from my Nexus 5 using Tapatalk
_jordan_ said:
I had this issue on the stock, unrooted ROM after about 4 months as well. I think the cache partition was corrupted. You can try wiping this in recovery and see if the problem fixes itself.
I didn't think of just wiping the cache, so instead I did a factory reset by unlocking the bootloader and everything cleared up.
Now I wipe the cache partition roughly once a month and the phone runs like a champ. Also I use sdmaid to clear the device from junk that accumulates over time.
Sent from my Nexus 5 using Tapatalk
Click to expand...
Click to collapse
Thanks for the help, but I already did a factory reset with no success. Data works fine on LTE but if ibtryvswitching to 3g or 2g signal drops as well. If I have full signal it will connect but anything in less it doesn't connect the calls.
Flash factory images then.
Sent from my Nexus 5 using Tapatalk
This happened to me on my non rooted N5 with 4.4.4. Disabling Wifi and/or LTE sometimes allowed a single SMS to get through, but then the problem resumed.
I fixed it by booting into recovery and wiping the cache partition. For some reason that took a long time (about 5 minutes) but eventually it finished and when I rebooted it was all good.
I'd try the wiping the cache and reflashing the radio.
I had a similar issue first week of owning the phone any time I sent a text I lost service until I rebooted.
From what I've read some N5's don't like the 4.4.4 radios. Mine likes 4.4.4 but couldn't pick up a signal if it had a 50ft antenna with 4.4.3 radio.
Sent from my Nexus 5 using XDA Free mobile app
Nexus 5 Not making or receiving calls
backside floaters said:
Started a couple days ago, using straight talk AT&T sim on my nexus 5, Data and text messages work fine, but whenever I try and make a phone call the signal drops completely and calls won't connect. People been telling me when they try to call it goes straight to voicemail. I'm running stock rom. Any suggestions? Straight talk and Google both with no help.
Click to expand...
Click to collapse
I just had this almost exact same scenario. I started having problems with signal dropping using CM12 nightlies (late April 2015) then eventually I switched over to a NET10 because T mobile was not cutting it to begin with. After the problem persisted on an ATT Sim card with NET10, I started flashing different ROMs. Signal seemed to be more stable and everything was fine for a while. After a few days I was no longer able to make or receive calls.
Eventually I did a complete factory image (still didn't work)
Flashed a 4.4 radio image (didn't work immediately, but the next morning it seems to be working as of now)
I probably could have skipped the hours of trouble shooting if I would have (found this thread first) and just tried flashing different radio images. Or maybe it was the series of other steps combined...not really sure.
Good luck and hopefully this helps the next person going through this mess. Oh and don't event waste your time calling NET10/Straighttalk customer service.
*EDIT* Above did not solve my problem, I actually had to fix the physical radio connections which came loose.
same problem
Hey guys having the exact same issue. Dropped my phone hard and then all of a sudden I cannot make or receive ant calls with my carrier dialer. I can send and receive texts, use LTE data , Wi-Fi. When I place a call, it is silent for about 10 seconds then drops the call. When people call it is silent for 15 seconds, then voicemail.
Called google, said it is out of warranty and LG would have to repair it for $150 just to see the phone.
Have done a cache wipe and factory reset. Is this most likely a hardware issue that I need to open the back for ? Little bit of a tech noob but can work my way around things. Any help is super appreciated as I love my N5 32G and don't have the money.
Same issue that I had, just remove the back and reattach/secure the radio wiring. It's on the left side and rubs parallel to the battery. It was a petty quick and easy fix.
Sent from my Nexus 5 using XDA Free mobile app
kgtgv4 said:
Same issue that I had, just remove the back and reattach/secure the radio wiring. It's on the left side and rubs parallel to the battery. It was a petty quick and easy fix.
Sent from my Nexus 5 using XDA Free mobile app
Click to expand...
Click to collapse
So I took the back off and looked at the cables and they were both connected. I took them off anyways and reconnected them. Didn't see anything surprising to my eyes at least. The only thing I did find out was that LTE is the only setting that I can't use data and texts on. 3G and 2G say no cellular network detected. Do I maybe need to replace the antenna cables ??
mac_attack10 said:
So I took the back off and looked at the cables and they were both connected. I took them off anyways and reconnected them. Didn't see anything surprising to my eyes at least. The only thing I did find out was that LTE is the only setting that I can't use data and texts on. 3G and 2G say no cellular network detected. Do I maybe need to replace the antenna cables ??
Click to expand...
Click to collapse
Hmmm. I don't think the cables would be bad. I would just make absolute sure that they are staying attached after you re-assemble your phone. I even put a small piece of tape over the end that I noticed was loose. If that doesn't work then I think we had different issues with the same symptoms.
I'm having this same issue. Three weeks now, unable to make or receive calls. SMS and data work fine. Wifi works. LTE works. When I switch to 3G or 2G there is no connection and T-Mobile doesn't appear in the list of networks. The SIM card works fine in another phone so it must be an issue with the device.
Tried everything on the software and settings side, flashed different ROMs, flashed different radios including stock. No change whatsoever. I completely disassembled and reassembled the phone. Nothing was loose or looked broken, all contacts seem to be making contact.
I do vaguely recall dropping the phone recently, so I guess that must have been it. The only other possible cause was that Google Play Services was auto-updated the day before I noticed the problem. Of course that is unlikely to be the cause but just mentioning it in case anyone else had this issue starting around Oct 23, 2015.
As much as I hate to do it, I guess I'll have to get a new phone. Just no other solution I can see unfortunately.
For anyone finding this posting through Google, currently there is no VoLTE (Voice over LTE) support in the Nexus 5 on T-Mobile. If that is available when you're reading this, then you might look into enabling VoLTE and seeing if you can make voice calls using that. Based on my reading it seems like VoLTE is a software update (perhaps requiring the provider to support the device as well), but the consensus seems to be that VoLTE on Nexus 5 on T-Mobile is unlikely to happen. But they support it on the Nexus 6, so maybe there is some way it can be done on the Nexus 5. Also Wifi Calling on T-Mobile is not available for the Nexus 5. The consensus there is that the stock Google/T-Mobile ROMs are unlikely to ever add Wifi Calling support for the Nexus 5, but perhaps CM 13 or Android Marshmallow do or will have Wifi Calling support built in, so there may be some possibility of getting Wifi Calling using those.
Did you try checking the cell antenna? That was my issue, I just tapped it back in place and my N5 has been fine ever since.
kgtgv4 said:
Did you try checking the cell antenna? That was my issue, I just tapped it back in place and my N5 has been fine ever since.
Click to expand...
Click to collapse
If you mean the ones with the long wires, then yes, I checked those. Actually I checked pretty much everything inside the phone. According to this excellent disassembly video: youtube dot com/watch?v=OPuCmfhzgbg , there are lots of antennas and antenna contacts. So many that he doesn't get to all of them until 20 minutes into the video. But still, I checked all of those and they looked ok. There must be some damage somewhere, just too small for me to spot. He also identifies "external test ports" for some of the antennas. I don't know how those are used or if they would be useful to debug this issue, but for anyone else experiencing this, you might try looking into those.
Help
backside floaters said:
Thanks. I have had the phone for about 4 months with no issues. I K of its not the sim tray because I still get data and texts and I can receive calls sometimes if I have dull reception somewhere. It just started all of a sudden, pretty frustrating
Click to expand...
Click to collapse
I'm having the same problem on my Nexus 6 and don't know what PA is and how to change it

Virtually no SMS or calls when wifi connected

Since yesterday morning I receive very few SMSs or calls when wifi is connected.
I installed 4.4.4 a few days before that so I doubt it's that (although I supposed it's possible)
I've reflashed the radio, reflashed 4.4.4 in its entirety, flashed CM11 - all with the same result - when wifi's connected I hardly ever receive any calls or SMSs (no problems dialing out or sending)
Unless anyone else has similar problems I don't think it's worth going back to 4.4.3.
So now I'm left wondering if it's the hardware or the SIM, or...?
BritSwedeGuy said:
Since yesterday morning I receive very few SMSs or calls when wifi is connected.
I installed 4.4.4 a few days before that so I doubt it's that (although I supposed it's possible)
I've reflashed the radio, reflashed 4.4.4 in its entirety, flashed CM11 - all with the same result - when wifi's connected I hardly ever receive any calls or SMSs (no problems dialing out or sending)
Unless anyone else has similar problems I don't think it's worth going back to 4.4.3.
So now I'm left wondering if it's the hardware or the SIM, or...?
Click to expand...
Click to collapse
do you have a phone signal on wifi?
Zepius said:
do you have a phone signal on wifi?
Click to expand...
Click to collapse
Yes, I can dial out and send SMSs.
When someone calls you what signal do they get? And their messages stay "pending"?
MidnightDevil said:
When someone calls you what signal do they get? And their messages stay "pending"?
Click to expand...
Click to collapse
They either get a ringing tone a few times at their end end then an unavailable tone, or just an unavailable tone / message.
The messages eventually arrive, maybe 6-10 hours later, or when I switch wifi off.
BritSwedeGuy said:
They either get a ringing tone a few times at their end end then an unavailable tone, or just an unavailable tone / message.
The messages eventually arrive, maybe 6-10 hours later, or when I switch wifi off.
Click to expand...
Click to collapse
Turn off LTE and I bet it will work. It's been a known issue for awhile with LTE and WIFI on you will miss calls/sms.
Google it and you will see many threads about it.
HeXDeMoN said:
Turn off LTE and I bet it will work. It's been a known issue for awhile with LTE and WIFI on you will miss calls/sms.
Google it and you will see many threads about it.
Click to expand...
Click to collapse
Weird - I had already read up on that (it seemed to be a pre 4.4.3 problem) and could swear I had already tried switching it without success but now I've switched again it seems to have done the trick - I'm just waiting to get some test SMSs sent. :good:
I wonder why it worked okay until yesterday morning and then just suddenly stopped working - it would suck if I'd paid for 4G!
I suppose it's of some comfort that I'm not the only one on 4.4.4 with this problem...
https://productforums.google.com/forum/#!topic/nexus/eOToYgJXdrw/discussion[426-450-false]
I've tried it again - back to not receiving calls or SMSs even with 4G turned off unless I'm disconnected from wifi.
A few minutes on the phone to Google - and they're sending me a new phone! :victory:
This is a long standing issue with the N5. A solution that worked for me is to disable keeping WIFI on during sleep. Not sure if that will work for everybody though.
BritSwedeGuy said:
A few minutes on the phone to Google - and they're sending me a new phone! :victory:
Click to expand...
Click to collapse
How did that conversation go? When I bought my phone, it took something like 2 hours for it to download the required sprint activation package (I think it was something like 50mb)...And the radio has been giving me grief ever since day 1 with signal constantly dropping any/everywhere...I just thought it was more related to Sprints crummy service in my area though.

Calling issues? Advanced Calling?

I recently got a GS6 and I'm having problems with calling/receiving calls.
When calling/receiving usually the other person can not hear me talking but I can hear them. Sometimes they can hear me for 30 seconds or so then they can't hear me anymore. I disabled and enabled Advanced Calling and restarted my phone and it seemed to work for one phone call. I only tested it on a short call though so it could of stopped working during the call.
I tried disabling Advanced Calling and made a call right away without restarting and the person could still not hear me. I did see my phone dropped to 1X during the call this time. Does it take time when switching off Advanced Calling for something to happen on Verizon's network?
Anybody else have this issue or a fix? I'd rather not have to do a full reset.
Thanks.
Edit: Just deleted dalvik cache and cache partition in FlashFire and it seems to be working. Will update if I have the problem again.
I was dropping calls regularly. I disabled AC and I have not dropped a call since. I would 'reboot' and double check to see it is indeed off
Sent from my SM-G920V using Tapatalk
we had to call and verizon had to "program" some stuff for AC. Try that. worked on this end.
I have this same issue. It has happened to me mid conversation. It is annoying. I didn't have this issue with my G3. I thought it might be because I'm running a room that is debloated. I'm trying to hold on to this phone because I'm hoping the next update to 5.1.1 will fix this issue. If not I'm going back to LG.
Sent from my Nexus 7 using XDA Free mobile app
Well it stopped working again today. Grr.
nessnet said:
I was dropping calls regularly. I disabled AC and I have not dropped a call since. I would 'reboot' and double check to see it is indeed off
Sent from my SM-G920V using Tapatalk
Click to expand...
Click to collapse
With AC off you won't be able to talk and use data at the same time which is a deal breaker for me.
craazy82013 said:
we had to call and verizon had to "program" some stuff for AC. Try that. worked on this end.
Click to expand...
Click to collapse
Did you have problems activating AC on your phone? If you don't have it added to your account you have to do that first.
Bxrider117 said:
I have this same issue. It has happened to me mid conversation. It is annoying. I didn't have this issue with my G3. I thought it might be because I'm running a room that is debloated. I'm trying to hold on to this phone because I'm hoping the next update to 5.1.1 will fix this issue. If not I'm going back to LG.
Sent from my Nexus 7 using XDA Free mobile app
Click to expand...
Click to collapse
I'm running CleanROM 1.5. I might try flashing it again to see if that fixes it. If not then I will try stock. The problem with 5.1.1 is that it probably won't have root.
Root stock, I have not noticed this issue and this week has been a big phone call week. Lots of long conf calls many times a day.
krelvinaz said:
Root stock, I have not noticed this issue and this week has been a big phone call week. Lots of long conf calls many times a day.
Click to expand...
Click to collapse
Thanks for posting.
I re-flashed CleanROM 1.5, so hopefully that fixes it. If not I will try stock.
Re-flashing CleanROM 1.5 did not fix it. I guess I will have to try stock now.
BTW it is quite possible that you are just in an error with bad signal too.
krelvinaz said:
BTW it is quite possible that you are just in an error with bad signal too.
Click to expand...
Click to collapse
I guess that's possible but I have 2 bars on Band 4. I could try locking into Band 13 but that is congested at times in my area.
Bars are misleading, look at signal strength instead.
krelvinaz said:
Bars are misleading, look at signal strength instead.
Click to expand...
Click to collapse
Around -105 dBm. You would think if there was reception issues the call would completely drop.
When I lived in an area that had a signal level of -100 to -110 I would sometimes have calls drop and Verizon stated I was in a fringe area and would let me out of my contract.
mark-in-dallas said:
When I lived in an area that had a signal level of -100 to -110 I would sometimes have calls drop and Verizon stated I was in a fringe area and would let me out of my contract.
Click to expand...
Click to collapse
The thing is only B4 is that high. B13 is around -93dBm.
I planned on doing a test today to see if I stand by a window where I get better signal if that would help. The call went through fine today. I checked LTE Discovery during the call and it said I was on B13 though. Around 10 minutes later the phone was back on B4. I made a call then and the person could not hear me. LTE Discovery was saying around 114dBm. I moved maybe 4ft and the dBm was around 106 and then the person could hear me. If I move 12ft more I'm by a window where I get 99dBm.
So when I sit at my desk I can't make any calls and will have to get up if I'm on B4. I wish I could force the phone to use B13 during calls.
Another issue I had the other day was my phone was only connecting to 1X even though I was in an area that had good 4G. I've always heard Samsung had crappy radios. The only times I would get 1X on my last phone (Droid DNA) was when I was in the middle of nowhere. Wish I would of noticed these issues sooner so I could of returned the phone. :-/

Getting/making calls

I'm on a aosp marshmallow build, and since cm 12.1 upgrade whichever rom, I tried I couldn't maintain a signal level to make calls or get calls while the phone is idle while it's on lte, or 3g. Lte works fine for data. When I'm on 2g all the calling features working fine. I already tried installing different modems and firmwares including but not limited to 44s, cm nightlies, oxygen os. I went back all stock and rerooted and reupgraded to lollipop back then. No solution again. Any idea would help. I searched couple forums, saw other people with similar problems. But not a proper solution. Thanks
Sent from my Oneplus One using Tapatalk
Got the same problem, except that 3G works fine for me.
I tried all that stuff too, still waiting for a solution. I hope it's not a hardware issue as it's working fine for everyone else.
So the problem is that I couldn't make or receive calls on LTE. Data works fine. The thing is the call connects, after 2 rings, I get a message which reads "Mobile Network not available." The other person thinks that I made a missed call and want them to call back. The same happens while receiving calls, after 2 rings, it disconnects it. I've noticed that the signal drop automatically after 2 rings. 100% to 0% after 2 rings, and then back to 100% after the call disconnects. This is kinda weird. I called up my service provider and they told me that it's the handset that's faulty. I think that I need to get to OnePlus Customer Care before my warranty is void.
~noob (you gotta start from somewhere)
Yep. Same here. But if you keep it on 2G, then you can make/receive calls. But that means, practically giving up your data
Sent from my Oneplus One using Tapatalk
I got it working :v
~noob (you gotta start from somewhere)

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