LG G3 LDB has stopped working, combined with a bootloop maybe. - G3 Q&A, Help & Troubleshooting

So i had a custom rom on my LG G3 and the second day after flashing that from my phone was hit with the scree fade and flickering problems ( did not know that at the time). So my dad and I assumed it was because of the rom. My dad tried some stuff but since it was not software related it did not work so we abandoned it in a box and I bought the G6 . A couple of weeks ago it came time for my G6 to go in the box, when I did that I pulled out the old G3 and opened it up to play with it, but after a quick google search and some tin foil i managed to fix the screen at least for now.
The problem I have is when I boot the phone it loads all the way to like the lg welcome page for the first setup ( I guess my dad got the stock os back when we were trying to figure what was wrong with it ) and I get the "Unfortunately, LDB has stopped working," if i press ok it just instantly pops up again, and after a couple of seconds LG logo pops up and a quick boot animation and it goes back to that page and error message.
Any ideas ?

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I got a T-Mobile LG G3 two weeks ago, and the first week i had it, it froze and then restarted itself twice in one afternoon. I know some users have had issues where the device will shut down and then they'll have to press the power button for two seconds, but my device will reboot back to the lock screen without any input from me. I did a factory reset and downloaded back my apps slowly over the course of last week. Today, my G3 once again froze and rebooted. I did the trick to get LG SmartWorld to work on the device so i could theme it and the last couple of apps i have downloaded were WWE's app, Starbucks, and MBTA Alerts. I am currently using LauncherPro as my launcher. Any help with this is welcome!
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G3 launch error message

Hi, well my lg g3 32gb running android 5, this happened before i updated, every time I bootup my phone, it does what its supposed to with the lg logo, and then suddenly after 10-20 seconds, a message pops up saying android is upgrading, followed by a black screen, loading up the home screen then the lock screen. I think its developping a fault. Its not rooted, used to be, but been unrooted since i updated to android 5
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[Q] LG G3 (D855) keeps rebooting...

Hello everyone,
I have a serious problem with my 3 months old LG G3 (D855):
It keeps rebooting randomly, and by rebooting I mean the LG logo appears for 3 minutes to several hours, then back to the desktop screen again. It annoys me so much since it occurs pretty much all the time even in the middle of a phone call, rendering the phone completely obsolete…!
I initially thought it was a “compatibility” issue between stock Lollipop and the phone, so I went on rooting and flashing the device back to KitKat then to CyanogenMod 12.1, but the problem persists and now it's the Cyanogen logo that appears instead!
Additionally, I noticed a tremendous heating of the device and quite a lot of lagging even on Nova Launcher!
I’d send it back to SAV if I could but I live in Morocco and the purchase was made from France...
I need your help!
Factory reset it. Remove SD card if you have one. Flash back to complete stock.
DO NOT INSTALL ANY NEW APPS for a couple of days. If issue persists, it's either the battery or the hardware.
I have the same issue I don't think its a one off either my problem started when my phone gets to 15% battery then just randomly rebooted now its stuck like in a boot loop I've tried everything to get it back I was running stock rooted d855
Sent from my Nexus 4 using XDA Free mobile app
Thanks for the replies,
@ nickslg
Yeah I've seen some people having the exact same issue but no real answers were given...
@ robogo1982
Will do, I'll be posting the results soon !

D855 completely unresponsive, tried countless ROMs, now stuck in a boot loop.

Hi, so a week ago I had this weird problem with my phone. It would just freeze for like 2 minutes, work again for a minute and so on.
Did a hard reset, same problem.
Flashed that 6.0 KDZ, no success. The phone started but I was basically stuck at the lock screen, touchscreen was unresponsive, power menu kept showing up for no reason... couldn't even turn the phone off.
After that, I decided to stop ****ing around with it and send it to a repair store (no warranty). Today, after about 5 days, I picked it up and was told that they tried a ton of ROMs but they have no idea what's wrong with it.
Got home, ran a hard reset again and now I can't even get to the lock screen, phone is basically in a boot loop. LG logo shows up, the "Android is starting... Optimising apps" screen does its thing, restarts and keeps going like this forever.
Is there anything I can do or should I just throw the phone in the garbage and get another one? Any suggestion is appreciated, thanks!
Hi,
Same issue for 2 days...
My G3 was suddently slow and unresponsive so I removed the battery.
I put it back again, as usual, and start the phone. But it get stuck at the LG logo.
Sometimes the animated LG logo shows up, sometimes not.
Sometimes it displays the PIN screen (unresponsive or not), sometimes not.
Sometimes it boots totaly normaly (1% of time) and become unresponsive/buggy after a couple of minutes.
I tried flashing kdz (normal and CSE) 10 times, factory reset, change battery, without success...
Good luck.

Flashing blue Google logo.

Can anyone tell me why when i unlock my phone, the G logo in the search assistant at the bottom of the screen turns blue and then flashes for a couple seconds before returning to the normal multi-color logo. I think it just started doing it today, i never noticed it before. Screenshot attached.
Google is playing with animations that go along with the current days Google Doodle. Did the same kind of thing on the first day of spring when a flower popped out of the bar. I have it as well.
Saw that on my wife's P3 this morning. Figured it was thir way of saying "quit trying to use GPay on a rooted phone," LOL!

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