LG G3 D855 dropping signal - G3 Q&A, Help & Troubleshooting

Hi guys, my LG G3 started to drop network signal. When I switch to 3G only mode, it gets full tower signal, but suddenly after some time it drops to about 2 or 3 bars. Letting 4G mode I barely get 2 bars.
I tried 3 different ROMs and the issue continues. Is it something related to the antenna? Replacing it could resolve this?
Thanks!

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[Q] LG G3 Three UK Signal Dropping

Hi all,
Is anyone else experiencing terrible signal on Three UK? My dad just got his G3 and compared to his Nokia 925 signal on Three is atrocious, and seems to drop in an out constantly?
Anyone else experiencing the same?
Not on 3 but I'm on ee (T-Mobile) and I have some prob outs at times that I found has been bit strange but most the time I have great signal.
I am on Three, had no signal concerns at all except in areas of weak signal. The phone doesn't seem great at maintaining a connection when signal is weak, whereas other phones might stay with 1 bar this drops to none, but otherwise signal is as good as can be expected.
No problems here
Sent from my LG-F400L
I have had this problem on 3 UK. I found that going into network settings and choosing the network mode without LTE stopped it from happening! Any idea why this may be anyone? Do we have defective units?
Matt
The g3 is just very slow at finding signal when its lost signal - what is happening is you are losing signal (even if just a split second), any other phone would probably instantly reconnect but the G3 seems slow - this is all software based (well, radio firmware) and can be fixed (and word on the street is that it will be fixed in the next, August, release).
Lennyuk said:
The g3 is just very slow at finding signal when its lost signal - what is happening is you are losing signal (even if just a split second), any other phone would probably instantly reconnect but the G3 seems slow - this is all software based (well, radio firmware) and can be fixed (and word on the street is that it will be fixed in the next, August, release).
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Thanks for the info, I won't be sending this off any time soon then! Also thanks for your unroot and chromecast volume fix guides they have been very helpful.
Wouldn't enabling fast dormancy help to find the signal quicker if it loses it?
I have also seem a connection problem on three in the UK. I figured switching off lte stopped it happening so much but then again I get 4G free and three tell me I have good signal strength for it so it seems silly to turn it off. Having said that I haven't seen it pop up once yet. Anybody tell me what the signal icons are on the G3, I have only had H so far? Cheers
Sent from my LG-D855 using XDA Free mobile app
stigslim said:
I have also seem a connection problem on three in the UK. I figured switching off lte stopped it happening so much but then again I get 4G free and three tell me I have good signal strength for it so it seems silly to turn it off. Having said that I haven't seen it pop up once yet. Anybody tell me what the signal icons are on the G3, I have only had H so far? Cheers
Sent from my LG-D855 using XDA Free mobile app
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I haven't seen the 4g logo yet either as I live away from any LTE areas, I've seen H and H+, 4g will show up as either LTE or a 4g symbol so I assume that your phone isn't connected to LTE/4g if you haven't seen either of those
Yep that's what I figured. Tweeted three cs but didn't seem to get much help. Thought maybe it's because I'm a SIM only customer. But I have checked there website and to all intents I should be connecting. 4G is good on my area. Not sure what else to try?
Enable fast dormancy for the 3 network. 4G works great on 3 in cities where it is supported.
How to enable fast dormancy? Website gives my area a good signal. I don't even get H+ which I did with my galaxy s3.
stigslim said:
Yep that's what I figured. Tweeted three cs but didn't seem to get much help. Thought maybe it's because I'm a SIM only customer. But I have checked there website and to all intents I should be connecting. 4G is good on my area. Not sure what else to try?
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Click to collapse
Have you tried the options when you enter 3845#*855# into the phone ? I had to use this as I was not getting LTE. See here for more info http://forum.xda-developers.com/lg-g3/general/mod-root-activate-lte-g3-t2819387
The option its already in my network settings menu and switched on. Are these different? Just can't put my finger on it.
I am having the same issue with my LG G3 on Three, the signal is much worse than my galaxy S3. Drops out randomly in my house and then takes ages to get a signal again.
Wondering whether to send it back our not as a phone with bad reception is kind of pointless! Anything perhaps fixable with a new firmware for the radio?
Yep exact same issues. Hoping it's not the phone (bought it myself not from three) really like it and Up to now three was great ? gutted.
It seems the phone either had really good or really bad reception. In poor area's it's quite flaky and can drop out easily when moving between rooms or even how you hold it.
If the reception is good you can get some great speeds on 4G though. Hoping they fix the issues with low signal strength soon as it's quite annoying.
Had a text from three saying they were going to fix my issue within the next seven days. Not picked up a 4g signal at all yet. So watch this space.
I also had problems with signal. I got a replacement SIM & that seems to have improved matters.

Network issue - Frequently gets drop

Since two weeks my LG G3 network (let it be 2g, 3g or lte) keeps dropping and reconnecting very frequently. Even when i am at house or outside. I thing there is some bug. I need a fix. Please help.
Same here but i dont understand why its only a recent Issue
mazahir87 said:
Since two weeks my LG G3 network (let it be 2g, 3g or lte) keeps dropping and reconnecting very frequently. Even when i am at house or outside. I thing there is some bug. I need a fix. Please help.
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Im also experiencing this issue please someone help me fix this

[Q] Lg G3 randomly losing signal

I'm on ATT and my new LG G3 keeps losing signal at random times where my other phones have signal without problem. Anyone else experiencing this or know how it might be corrected? I'm rooted and debloated if that helps.
I am in india on vodafone happnlens woth mw too
With week wifi signals too
From Lg G3 "the beast"
Is there any way to improve the signal strength?

Sprint LS990 Signal Issue

Is anyone having a problem with losing data signal even though it shows full bars of LTE with Spark icon spinning like it should? Usually after a long sleep period but sometimes sooner. Have to toggle Airplane Mode to get it going again. Have the gold LS990 and it's happening in several areas with different towers. Sprint issue or device specific? Really like the phone but this is intolerable.
Real_JESRadio said:
Is anyone having a problem with losing data signal even though it shows full bars of LTE with Spark icon spinning like it should? Usually after a long sleep period but sometimes sooner. Have to toggle Airplane Mode to get it going again. Have the gold LS990 and it's happening in several areas with different towers. Sprint issue or device specific? Really like the phone but this is intolerable.
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Sprint has been terrible for about the last week here in Mass and their outage map changes everyday...
http://downdetector.com/status/sprint/map
Im on Verizon myself but my girls Sprint HTC One Max has been terrible. She's called and complained they just say they're working on it....
My Verizon G3 has had LTE everywhere I go like usual [emoji11]
- Tapatalked from the G3 -

LTE and 4G (ATT H810) issues

Anyone else on the ATT G4 having problems with LTE connectivity? In areas where I'd usually get 5 bars of LTE service, a majority of the time I get 2 or 3 bars of Edge service. Putting it into airplane mode and back out doesn't help, turning mobile data on and off doesn't help, and neither does removing the SIM card (and reseting the phone in the process). It seems to come and go whenever it wants to.
Sent from my LG-H810 using Tapatalk
All I can guess is, it's probably just the ATT network itself. They did some upgrades around here a while once Cspire started hyping their fiber optic network and I noticed on my older phone that in areas where I used to get 3G I was stuck getting edge. Even with my G4 I can park in perfect view of a known ATT tower and it'll hit 4G and within a minute be down to 3G - same with strength. Get 5 bars, don't move, no data, no call, and it'll drop down to no bars but still connected and bounce around, usually settling at 2 or 3. Even though ATT says they have full LTE out here I rarely actually see the LTE logo display in the status bar.
I've been using OpenSignal to try to map out coverage areas though, been pretty handy in finding towers and chasing stronger signal
Hi sir
I m using lg g4 h810 AT&T it was working well one day i put a memory card in it signal disappear never came go to software and hardware experts but nobody has solved my problem all other functions of cell phone working properly

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