Develop Bugs

LG G4 turning itself off and restarting

I have had my LG G4 VS986 for a little over a month and it started turning itself off and restarting last night, since then it has done this randomly thru out the day, I have even done a factory reset on it and it is still doing it...please any help will be appreciated, for I don't want to go to verizon with it and end up getting a refurbished one as a replacement for a brand new one.

maybe you can flash again android

I don't know what that is...

its when you put the same image (kdz ) android for remplace your android . but if you know nothing about this . is not necessary risky . but a bit complicated

It's seems to be a common thing unfortunately. It's happening to my week old G4 too :/
Check here, here, and here
If you still have your original box, would you mind checking what month your phone was made in (found on the outside of the box)? I have a feeling this is only happening to phones made around the time it was released. Mine was made in May of 2015

R.Suave said:
It's seems to be a common thing unfortunately. It's happening to my week old G4 too :/
Check here, here, and here
If you still have your original box, would you mind checking what month your phone was made in (found on the outside of the box)? I have a feeling this is only happening to phones made around the time it was released. Mine was made in May of 2015
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Click to collapse
Mine was manufactured in May 2015 also!!! I took my phone back to Verizon and at first they didn't believe me until it started doing it there... they are sending a replacement for me but I'm a little worried because it's supposed to be a refurbished one...

Nicole L. said:
Mine was manufactured in May 2015 also!!! I took my phone back to Verizon and at first they didn't believe me until it started doing it there... they are sending a replacement for me but I'm a little worried because it's supposed to be a refurbished one...
Click to expand...
Click to collapse
man.. :/ but good news about you getting a replacement. I bought mine new, sealed in box from craigslist so i'm trying to figure out what to do :fingers-crossed:

Hi guys,
mine has started to do the same thing. International unlocked not rooted.
Outta nowhere has started to restart itself. BUT, only when display is on. When screen is off had no problems. Right in the moment when i unlock the screen it gets crazy hot and starts with the restarting.
Interesting thing is that i had z-cpu installed the night before and it showed that the cpu is clocked at 1,2 Ghz.
It got slow the last days of usage. After restarting itself till the battery died, i wouldn`t be able to charge it.
The next day i tried again to charge it and there it was, started to charge but with green lines on the display.
I guess that overheating has damaged the display or something.
I am waiting a answer from the repair centre.
The manifacturing date is August btw.

Bootloop hardware failure and LG's incompetent repair

I finally ran into the bootloop problem that is common with early G4's (if you have a serial number that starts with 505, you're basically gonna be screwed at some point). Since it's a hardware issue that LG acknowledges, I sent it back to the factory under warranty, waited for two weeks using my old backup phone, and finally received it back today.
Ready for the fun part? They had repaired something that wasn't broken (kind of like surgery on the wrong body part) and had not touched the bootloop issue! They fixed "No power with cable" by replacing the flash memory. This was never an issue. The frustrating thing is that they didn't even restart the phone to find out if it had been fixed, because if they had it would have gone right back into the bootloop. Arg!
The G4 is now back on route to LG. I said they should give me a new phone, but customer service said they only do that if it cannot be repaired. I'll keep my fingers crossed that they go to the trouble to turn on the phone after "repair" this time.
Thanks for letting me rant!

I have currently my 2nd G4 that has run into this issue. This one has serial number starting with 506, so I guess it might stem a little further into production also. This is driving me nuts, I could not send my phone to LG because of how long it takes so had Verizon send me one and of course I run into the same exact issue with the bootloops. Last time I was able to still flash kdz's, this time won't even go past the LG boot screen. Really wish I could wipe my data at least.

I can attest to LG's incompetence. On March 2nd I sent in my G4 because it was bootlooping. Sent it in no problem, and after about a week I received my G4 back with the problem "fixed" by flashing the memory. Well guess what, it wasn't fixed. As soon as I turned it on, it started to bootloop again. I called LG and they arranged another RMA. Sent it back again, and about a week and a half later, I had my G4 back. This time they "fixed" it by replacing a capacitor. Guess what! Still not fixed. It still continued to bootloop. Called LG extremely angry and filed a complaint. LG arranged another RMA. At this point I had been without my phone for over 20 days. Finally, LG fixed it properly by replacing the motherboard. Now its fixed and it only took them over a month to figure it out.
While I applaud their easy RMA process, whoever the idiots are actually doing the repair are just that.. idiots. Its as if they don't even turn the phone on and ensure it fully boots up before they claim its fixed and ship it back. Whats worse for me is my phone was rooted on VS986B. Got the phone back on Marshmallow 24C and it took the update to 25a overnight. Now I'm stuck with no way of rooting.....
When you get your phone back from LG, chances are it will be on 24C. If you plan on rooting, do so quickly and downgrade.

dcorrea said:
I can attest to LG's incompetence. On March 2nd I sent in my G4 because it was bootlooping. Sent it in no problem, and after about a week I received my G4 back with the problem "fixed" by flashing the memory. Well guess what, it wasn't fixed. As soon as I turned it on, it started to bootloop again. I called LG and they arranged another RMA. Sent it back again, and about a week and a half later, I had my G4 back. This time they "fixed" it by replacing a capacitor. Guess what! Still not fixed. It still continued to bootloop. Called LG extremely angry and filed a complaint. LG arranged another RMA. At this point I had been without my phone for over 20 days. Finally, LG fixed it properly by replacing the motherboard. Now its fixed and it only took them over a month to figure it out.
While I applaud their easy RMA process, whoever the idiots are actually doing the repair are just that.. idiots. Its as if they don't even turn the phone on and ensure it fully boots up before they claim its fixed and ship it back. Whats worse for me is my phone was rooted on VS986B. Got the phone back on Marshmallow 24C and it took the update to 25a overnight. Now I'm stuck with no way of rooting.....
When you get your phone back from LG, chances are it will be on 24C. If you plan on rooting, do so quickly and downgrade.
Click to expand...
Click to collapse
When they finally replaced the motherboard, did the physical serial number on the phone change?

enduser23 said:
When they finally replaced the motherboard, did the physical serial number on the phone change?
Click to expand...
Click to collapse
No, that's the same. The board was replaced, but the plastic piece that holds that battery, which is on top of the board, was not replaced.
Happy to report that all is well after the second repair. Came back with 6.0, but I downgraded to 5.1, rooted, and have just about everything working again (can't get Exposed to work, but I'm sure I'll figure it out eventually). Nothing like spending 3+ weeks on a 2011 Droid Bionic to make me appreciate my G4!

Would one of you care to explain how you contacted LG to set up the repair. I have filled out the online form twice and have never heard a word. Thanks.

illek46 said:
Would one of you care to explain how you contacted LG to set up the repair. I have filled out the online form twice and have never heard a word. Thanks.
Click to expand...
Click to collapse
Im not sure if you are in the U.S., but here's their support phone number 800 243-0000. They are usually pretty easy to deal with over the phone.
I am still kicking myself that I didn't downgrade as soon as I got my phone back. I hate not having root anymore.
---------- Post added at 01:02 PM ---------- Previous post was at 12:59 PM ----------
harpdoc said:
No, that's the same. The board was replaced, but the plastic piece that holds that battery, which is on top of the board, was not replaced.
Happy to report that all is well after the second repair. Came back with 6.0, but I downgraded to 5.1, rooted, and have just about everything working again (can't get Exposed to work, but I'm sure I'll figure it out eventually). Nothing like spending 3+ weeks on a 2011 Droid Bionic to make me appreciate my G4!
Click to expand...
Click to collapse
Droid bionic.. I wish! I originally dug up my old Galaxy Nexus, but the battery life was so bad that I swapped it out for my son's old Droid Razr. Of course, I had to safestrap it and put a custom ROM on there because I have a LG G Watch R and android wear was not compatible with the factory software on the Razr. It was a pretty horrible experience overall. I'm glad I have my G4 back, but I really miss root.

You can still downgrade to 5.1 and root. Mine was on the latest version when it came from the factory and I didn't have any problems with the process.

Same thing happened to me. It took 3 RMA's in a row and about 60 days until they finally fixed it. They scratched it, too. OP, I highly recommend you start documenting everything. LG CS will also tell you escalating will get you nowhere; but with persistence you can get a hold of someone. You can only go up to a supervisor, and that's it. LG has specifically designed their CS (including their facebook and twitter) to contain and ignore you.

In less than 1 calendar year i am on my 3rd phone.. Figuring the 1st phone was a flop... serial numbers since my 1st phone are 511 and 505. So yeah.. im debating at what a ticking timebomb i havenow. The 3rd one came w/ MM installed but I downgraded to LL to keep root. Im sure it goes w/o saying that I'll not buy an LG phone ever again.. and this was my 1st one. They could offer to upgrade me to a G5, but honestly there are NO guarantees this sort of thing will happen again. You break trust you pay the price, look at Samsung w/ the no MicroSD card fiasco.

LG just accepted my 15 month old G4 for warranty repair
Even though my phone is 15 months old, LG has accepted it under warranty repair. When requesting repair I wrote that it was the bootloop issue but their repair confirmation states the issue is "No Power with Cable". I hope they fix the correct issue! BTW, my serial number began with 511

The US warranty is 18 months, so LG didn't do you any favors. I have three of these POS phones to get warranty repaired and hope they fix them correctly the first time.
keithfur said:
Even though my phone is 15 months old, LG has accepted it under warranty repair. When requesting repair I wrote that it was the bootloop issue but their repair confirmation states the issue is "No Power with Cable". I hope they fix the correct issue! BTW, my serial number began with 511
Click to expand...
Click to collapse

I just got mine back today june 1st 2017, Sent G4 for bootloops 1st time a week ago. No power / Mainboard was replaced. it was purchased november 2015 and Serial number is 511 which is right after the supposed bad batch. I got the phone back in the same great condition it left. The repair guy reported phone condition has minor scratches when it doesn't, Not sure why he would report that. So far its working great, like a new phone. I can only hope this board has been redesigned to not fail under a year and a half, but thats just wishful thinking. Everything was completely free even though phone was like 5months+ after its warranty. Even though costumer service on phone sounded like she was doped out on crack and ignoring all my questions, it was still ez to do and I got it back fast. The IEMI number or whatever was also changed and they put a new sticker over top the old one under the battery. I tried checking the number on that website and it doesn't even have it registered so i can only hope its brand new.

Got a couple of VS986s back from bootloop warranty repair. Mainboards supposedly repaired, but IMEI stayed the same and nothing on label under battery changed . I recall other people mentioned changes to label information.

Last week a representative told me the current warranty on the G4 for this issue is 27 months from date of manufacture or 24 months from date of purchase.
Mine has S/N 508. It started bootlooping while I was pooping (browsing Facebook on Chrome browser) on June 5.
I attempted the hot-air rework station fix 5 times (for processor on mainboard), and that worked on the 2nd, 3rd, and 4th tries. Each time the phone worked for up to ~4 hours. On the 5th try the phone no longer booted or even showed the LG logo.
It's en-route to LG right now. I opted to ship it without battery or back cover (my back cover has a wireless charging tag).
Using my old Samsung Galaxy S3 running an AOSP-variant on 4.4.2. Actually isn't a bad phone.
My old LG G2's touchscreen no longer responds to touches on roughly 50% of the screen... can't even unlock it via pattern lock any more.
Thinking LG won't be the next new phone I buy...

Well, my G4 is on its way back to me after LG's warranty repair. Turn-around time at the LG service facility was ONE (1) DAY!! So that was super fast. Should get it tomorrow or the day after. Contemplating putting it back up for sale or trade-in though... it's basically gonna be a virgin device that will require root, xposed, restoring apps/messages/call log/etc., then adjusting everything else to my liking. Would be a shame to do all that work and then the bootlooping problem happens again.

ANOTHER boot looped LG G5

Got mine April 1st. Worked great until May 9th. In the morning it hung and went into a boot loop. After 7 or so reboots (at various stages of boot cycle) it came back. A few hours later it did it again. This time 4 or 5 times and went dead. I tried battery pull, SD card/SIM card pull, and even swapped to my fully charged spare battery. It will not power on.
Called Sprint and they offered to sell me a used phone or fix it for a fee. Called LG. LG said they would take care of it but I would have to send in the phone for repairs and it would be about a 2 week turn around.
It's too bad because I really do like the phone but It'll take a while to regain my confidence in it...coupled with the locked boot loader...I don't know. It has the potential to be a great phone but LG may be shooting themselves in the foot.

Yeah I've had the same issue. For some reason sometimes it would get itself stuck in a boot loop. I would wonder like what the heck is going on... My camera also stopped working functionally and I couldn't make phone calls. I tried factory resetting it and issues were still there. I had to send in my phone which was super dumb... Not only is my phone not working but I have to be without it for like two weeks.

This used to happen with G3... I went back to Samsung. But now i got G5 and i havent had any problems.
Sent from my LGLS992 using XDA-Developers mobile app

mkc90 said:
This used to happen with G3... I went back to Samsung. But now i got G5 and i havent had any problems.
Sent from my LGLS992 using XDA-Developers mobile app
Click to expand...
Click to collapse
my boot loops all happened in the same area, my wife's work. First time when I dropped her off on my way to work and again when I picked her up on the way home. I've noticed before there's a spot where I get really bad reception in the driveway of work and the phone switches to 3G or worse. Both loops started when that occurred. It may have just been a coincidence...and I've certainly been other places with various degrees of worse reception...I was at a datacenter inside a faraday cage just the week before and didn't have any problems.
Since these phones can't be rooted yet I haven't done anything that any consumer wouldn't be able to do. I DID disable some services and installed adguard, but anyone can do that and none of it requires elevated privilege or voids the phone's warranty.
The status on the LG web site is now "repair in progress".
Fortunately I use GV so I can answer my calls and texts from any phone and just went back to my G3 while thr G5 is out for repairs.
Interestingly, when I called LG they didn't even ask me for details. They immediately said "send it back and we'll fix it". Either they have really good no-hassle customer service (they might, this is my first experience with LG customer service so I have no frame of reference) or this is more common than they let on and they know about it.

phone is on the way back. the fault on the repair order is listed as "power management IC".
Let's see what others with this problem get....if you sent your phone to LG for repairs the diagnosed problem will be listed on the email from LG notifying you the phone has been fixed. Looks like the PMIC problem was present in the G4 as well.
I wonder if there was a manufacturing defect in the first batch.

blarg said:
phone is on the way back. the fault on the repair order is listed as "power management IC".
Let's see what others with this problem get....if you sent your phone to LG for repairs the diagnosed problem will be listed on the email from LG notifying you the phone has been fixed. Looks like the PMIC problem was present in the G4 as well.
I wonder if there was a manufacturing defect in the first batch.
Click to expand...
Click to collapse
How long did it take LG to fix your phone once they received it? How long was it actually at LG before they shipped it back to you?

11 days

Guys its the g4 all over again the bootloop issues on g4 have been soaring over the last few months. Lg repairs. And it does it again.
Thats the exact issue on g4 ic power managment.
Apparantly over a year and still no fix
---------- Post added at 10:24 AM ---------- Previous post was at 10:23 AM ----------
blarg said:
phone is on the way back. the fault on the repair order is listed as "power management IC".
Let's see what others with this problem get....if you sent your phone to LG for repairs the diagnosed problem will be listed on the email from LG notifying you the phone has been fixed. Looks like the PMIC problem was present in the G4 as well.
I wonder if there was a manufacturing defect in the first batch.
Click to expand...
Click to collapse
Nothin to do with first batch g4s even repair still doing it. They said any g4 aft sept 15 was good. Nope even more are looping everyday.

I haven't experienced this issue. I have had the screen ghosting issue, and my volume-down button just stopped working altogether a month ago. I've debated sending it in for repair, but I have been able to manage with the on screen controls. I really cannot go two weeks with no phone in my line of work.
Sent from my LGLS992 using Tapatalk

Another G4 Bootloop thread

Woke up last saturday morning, grabbed my phone on the way outside and it was off, dead battery, went and grabbed the spare from the charger popped it in, and hello infinite boot loop death.
Ive tried the freezer trick, but waiting 15 mins for 63 apps to optimize each time is death.
I called LG spent 2 1/2 hours on hold, disconnected 3 times, and when I finally got a supervisor to speak with I had to convince them the boot loop was a known issue and they would call me back on Monday. Never got a call.
Following day went into Best Buy where I purchased the phone and it was 11 months old, 505, they advised me to go to Verizon, Walked over to the verizon store a few doors down and had a great customer service experience, they took everything I said for face value, offered to send me a 'Like New' replacement, got that phone 2 days later, started up, and its a bigger piece of **** than my boot loop brick. Wont stay on for more than 5 mins, sometimes it boot loops, other times it doesn't, locks up harder and faster than a frogs bhole ..
once again went back to Verizon, again amazing customer service, now on my 3rd LG G4 in the mail, 2nd Like New..
I am pretty done with G4 completely.. and I can't just upgrade because I'm on the ULD still.. so I'm going to try and press for my replacement credit if/when this phone fails again and try the BB trick again.
My question to XDA users is what VZW phone are you looking at after your G4? I really need something that can have the hotspot unlocked. the Galaxy S7 looks decent, but looks like boot loader unlock is not coming, and worse camera.
here is a highlight of my conversation with LG Supervisor that has made others laughed:
Me: Based on LG's faulty manufacturing and after this phonecall process bad customer retention, can you give me one reason to ever buy an LG product again... just one?
Supervisor: umm come on *my name* you know why
Me: no please, tell me, you have a poorly constructed phone, and you're arguing with customers over the fix, and now you're telling me there is nothing you can do to make me the customer happy so I purchase another LG product..
Supervisor: I understand, but, but, LG is... well because they're good.
Me: ahh yes good. what is good exactly the products or the customer service?
**dead air for about a min.**

El Genio Malvado said:
Woke up last saturday morning, grabbed my phone on the way outside and it was off, dead battery, went and grabbed the spare from the charger popped it in, and hello infinite boot loop death.
Ive tried the freezer trick, but waiting 15 mins for 63 apps to optimize each time is death.
I called LG spent 2 1/2 hours on hold, disconnected 3 times, and when I finally got a supervisor to speak with I had to convince them the boot loop was a known issue and they would call me back on Monday. Never got a call.
Following day went into Best Buy where I purchased the phone and it was 11 months old, 505, they advised me to go to Verizon, Walked over to the verizon store a few doors down and had a great customer service experience, they took everything I said for face value, offered to send me a 'Like New' replacement, got that phone 2 days later, started up, and its a bigger piece of **** than my boot loop brick. Wont stay on for more than 5 mins, sometimes it boot loops, other times it doesn't, locks up harder and faster than a frogs bhole ..
once again went back to Verizon, again amazing customer service, now on my 3rd LG G4 in the mail, 2nd Like New..
I am pretty done with G4 completely.. and I can't just upgrade because I'm on the ULD still.. so I'm going to try and press for my replacement credit if/when this phone fails again and try the BB trick again.
My question to XDA users is what VZW phone are you looking at after your G4? I really need something that can have the hotspot unlocked. the Galaxy S7 looks decent, but looks like boot loader unlock is not coming, and worse camera.
here is a highlight of my conversation with LG Supervisor that has made others laughed:
Me: Based on LG's faulty manufacturing and after this phonecall process bad customer retention, can you give me one reason to ever buy an LG product again... just one?
Supervisor: umm come on *my name* you know why
Me: no please, tell me, you have a poorly constructed phone, and you're arguing with customers over the fix, and now you're telling me there is nothing you can do to make me the customer happy so I purchase another LG product..
Supervisor: I understand, but, but, LG is... well because they're good.
Me: ahh yes good. what is good exactly the products or the customer service?
**dead air for about a min.**
Click to expand...
Click to collapse
Oven fix to get all the data off worked on mine got the data off
http://forum.xda-developers.com/g4/help/diy-h815-usa-variant-hardware-boot-loop-t3311623
LG Replacement - All you do is call LG tell them what happened you'll file for a replacement claim ship the phone in they'll send you a new device easy that's what I did

astonmartin214 said:
Oven fix to get all the data off worked on mine got the data off
http://forum.xda-developers.com/g4/help/diy-h815-usa-variant-hardware-boot-loop-t3311623
LG Replacement - All you do is call LG tell them what happened you'll file for a replacement claim ship the phone in they'll send you a new device easy that's what I did
Click to expand...
Click to collapse
Im worried that by doing that I'll void the warranty and LG won't accept my claim, i've also rooted the phone, and i've read negative feedback on that also.

El Genio Malvado said:
Im worried that by doing that I'll void the warranty and LG won't accept my claim, i've also rooted the phone, and i've read negative feedback on that also.
Click to expand...
Click to collapse
NO they won't find out I did it all & got my phone replaced they want to keep there customers so they'll do whatever it takes to make the customer happy

My phone is a 510 build. Still rev 1.0. If I were looking right now for a phone on Verizon, it would be the S7 or the wait for the next Note or Nexus. If you were to not use Verizon anymore, which is what I'm contemplating, I would either get a Nexus or OnePlus Three.
Sent from my VS986 using Tapatalk

access adb with usb debugging on but dev options off
sooooooo.... i have a verizon g4 thats on 13b and rooted . i tried to edit a line in the build.prop file to allow ANY 2 apps to open at the same time and i did something wrong and now im stuck in a boot loop. i would normally just use lg root tool to reflash the rooted system img to my phone to fix this, thats not too big a deal. my real problem is i have usb debugging on but dev options off so usb debugging prob is too so adb will b useless if thats the case sooo i guess i just need to know if usb debug will work if dev options are off?

Neco Carmello said:
sooooooo.... i have a verizon g4 thats on 13b and rooted . i tried to edit a line in the build.prop file to allow ANY 2 apps to open at the same time and i did something wrong and now im stuck in a boot loop. i would normally just use lg root tool to reflash the rooted system img to my phone to fix this, thats not too big a deal. my real problem is i have usb debugging on but dev options off so usb debugging prob is too so adb will b useless if thats the case sooo i guess i just need to know if usb debug will work if dev options are off?
Click to expand...
Click to collapse
Are you wanting to get data off of it or just reset it? Or are you wanting to just try to fix the build.prop? How far does your boot get (LG screen or Verizon)? Will it boot into download mode?
EDIT: I just turned on debug and turned off dev mode, and it automatically turns off debug. I couldn't connect to my phone via adb. The way that I escape from bootloops, at least when it makes it to the Verizon screen, is using LGUP in the same way the downgrade is done. I can't post links, but it is at this post: forum.xda-developers.com/verizon-g4/general/downgrade-mm-to-ll-lgup-t3322616

My 5X died on a friday night and resurrected the next sunday morning... ehm...

Hey guys, I've had a strange problem with my 5X recently.
Put simply I took it outside my pocket 2 days ago just to discover that it was dead, like completely dead, no boot, no fastboot menu, no recovery mode, no flashing led, nothing! There was some juice in it, it wasn't hot so no apparent reasons to be unresponsive. I've already had the bootloop issue few months ago and had the motherboard replaced under warranty, but that time at least some weak signals like boot attempts or flashing led were present. Btw, it was running stock 8.1 and the motherboard is 7 months old by now.
24 hrs later, surprise, the led started flashing again indicating no battery, so I plugged the cable and... miracle... back on as before. Completely functional as nothing had happened, just one day of vacation basically. I've been using it for the last 24 hrs and it's still working ok.
Now I've to take a decision, so I'd like to hear from you if you've had a similar experience. My 2 yrs warranty expired 2 days ago, on the same day I've had the issue. I made it just in time to reserve the LG customer service, but being during the weekend I couldn't send the phone to anybody. By that time the phone has resurrected, so...
Should I still send it to customer service? Is there any chance they can replace the motherboard that might be starting to become defective (again)? Or is it more likely that it will be delivered to some laboratory on the other side of the world just to find out that as of now it works regularly and it will be sent back to me unchanged? It will be my last chance to take advantage of the warranty, I wouldn't like to have it dead for real in the next days with no warranty coverage.
Btw, died on friday night, resurrected on sunday morning... I'll call it the Nexus Jesus from now on ahah!

you should send it to lg before that happen again like it did with mine before it break complicity and mine was only 1 year old my bad the phone is not available in my country so i had to trow it it was my second time it break it boot but no recovery just fastboot 2 in 6 time so you better take it

nelson92 said:
Hey guys, I've had a strange problem with my 5X recently.
Put simply I took it outside my pocket 2 days ago just to discover that it was dead, like completely dead, no boot, no fastboot menu, no recovery mode, no flashing led, nothing! There was some juice in it, it wasn't hot so no apparent reasons to be unresponsive. I've already had the bootloop issue few months ago and had the motherboard replaced under warranty, but that time at least some weak signals like boot attempts or flashing led were present. Btw, it was running stock 8.1 and the motherboard is 7 months old by now.
24 hrs later, surprise, the led started flashing again indicating no battery, so I plugged the cable and... miracle... back on as before. Completely functional as nothing had happened, just one day of vacation basically. I've been using it for the last 24 hrs and it's still working ok.
Now I've to take a decision, so I'd like to hear from you if you've had a similar experience. My 2 yrs warranty expired 2 days ago, on the same day I've had the issue. I made it just in time to reserve the LG customer service, but being during the weekend I couldn't send the phone to anybody. By that time the phone has resurrected, so...
Should I still send it to customer service? Is there any chance they can replace the motherboard that might be starting to become defective (again)? Or is it more likely that it will be delivered to some laboratory on the other side of the world just to find out that as of now it works regularly and it will be sent back to me unchanged? It will be my last chance to take advantage of the warranty, I wouldn't like to have it dead for real in the next days with no warranty coverage.
Btw, died on friday night, resurrected on sunday morning... I'll call it the Nexus Jesus from now on ahah!
Click to expand...
Click to collapse
I had the same symptoms.
At next day the phone died again. Desperately put again the modified kernel but i dont had success. I tried many procedures that i found in this forum but still not work the phone. I can say that the strange is the green screen with the legend "unknown reset" (atteched)

Same, also--but eventually, it just stayed dead. The LG warranty (at least for US) is 30 months from original date of purchase. They pay shipping both ways, but I had to request shipping label on the first repair as it was not emailed to me. Just got mine back after 2nd mb replacement. Hopefully, all will stay working for a least another year.

had the same problem, open it, put out the board, 200°C for 15min, wait till it is cold, put back in. worked for me.