Develop Bugs

[Q] S-OFF succeeded, with a charging problem

Hi,
Yesterday I had my G7 s-offed using Alpharev 1.8. Now it's running with the Sense MTD, Clockworkmod 2.5.1.7 recovery, and MIUI 1.2.25 rom. It is great, but with one side effect. Whenever the phone runs out of battery and automatically turns off, it won't boot up when being charged. And even if I unplug the charger, the white charging animation continues and it still can not be turned on - the only solution is to pull the battery.
Before s-off, my G7 has been rooted using Unrevoked and running with Clockworkmod (2.5.0.1 modified by MIUI) and the MIUI rom for months. Whenever the phone powered down and got charged, it booted into the recovery, from where I can start the phone.
Does anyone have a similar problem?
Thanks a lot!

Have you tried flashing another ROM to see if the problem is still there?

You might want to search on usb brick and see if that is your problem ?

Giiar said:
Have you tried flashing another ROM to see if the problem is still there?
Click to expand...
Click to collapse
Yes, also flashed CM7RC4. And someone having the same problem said he flashed a lot of different ROMs to no avail.
It seems to me how the phone reacts to the charger when powered down should be controlled by HBOOT rather than the operating system, i.e. the rom.
Thanks for the suggestion

dzam72 said:
You might want to search on usb brick and see if that is your problem ?
Click to expand...
Click to collapse
My phone is working fine except the charging problem. So I guess it's totally different from 'usb brick'. But it may be a good idea to have a look when I have time
Thanks for the suggestion.

Blank screen after unlocking (E975) / abnormal boot-behavior

Hi everbody!
After unlocking my LGOG (E975) a weird issued appeard: When phone is in standby and I try to boot it up as always (before unlocking) by Long pressing standby-button for a few moments, the LG logo comes up, and then only a black blank Screen (after 10 minutes or so this repeats) If I immedeately after disappearing LG-logo I press the standby-button again, the well known animated logo appears and everything is OK.
On the other Hand: when I connect a completely battery-empty LGOG ONLY the black Screen appears, after some reboots with hold standby-button the White battery loading Symbol appears...
Has it something to do with Fast-Boot (how to change any options?) or with unlocking via FreeGee. So far I was unable to find any similar issues like this... It bothers me always to press standby-button twice to boot up. If I missed the correct Timing I have to hold standby to turn off the phone correctly. Please help me!! Thank you guys!!

Wrong thread dude.

Oops, thanks man. Could an admin please move my thread to the Q&A section? Thanks!

OI
mba780 said:
Hi everbody!
After unlocking my LGOG (E975) a weird issued appeard: When phone is in standby and I try to boot it up as always (before unlocking) by Long pressing standby-button for a few moments, the LG logo comes up, and then only a black blank Screen (after 10 minutes or so this repeats) If I immedeately after disappearing LG-logo I press the standby-button again, the well known animated logo appears and everything is OK.
On the other Hand: when I connect a completely battery-empty LGOG ONLY the black Screen appears, after some reboots with hold standby-button the White battery loading Symbol appears...
Has it something to do with Fast-Boot (how to change any options?) or with unlocking via FreeGee. So far I was unable to find any similar issues like this... It bothers me always to press standby-button twice to boot up. If I missed the correct Timing I have to hold standby to turn off the phone correctly. Please help me!! Thank you guys!!
Click to expand...
Click to collapse
Same here. I wanted to write about this myself. Did you Install TWRP or CWM? Someone who useses exactly the same SW baseband kernel and LG ROM like me as a base does not have the issue and we were trying to figure it out. He unlocked installed CWM and CM10.1.
Sent from my LG-E975 using Tapatalk 2

mba780 said:
Oops, thanks man. Could an admin please move my thread to the Q&A section? Thanks!
Click to expand...
Click to collapse
ASK MODERATOR for the help...!!
Sent from my LG-E975 using xda premium

OK, so getting back to business i can see this is a problem when charging the phone. If i shutdown, then charge then in the morning unplug > phone shuts down again (from charging mode) and i power it up it doesn't boot the ROM.
I tested this situation and i saw that sometimes it doesn't even enter charging mode after a shutdown. I will test later and comeback. Maybe others can relate and give ideas.

Same here
Hello,
I have the exact same problem with my Lg e975.
If the battery is empty , i can not turn my phone on while charging. I think it is not even charging sometimes. I thought it was because of charger but i think it may because of phone.
Today i am charging 10 minutes still phone going black screen after LG logo. :crying: even not sure if it is charging.

Huntytigger said:
Hello,
I have the exact same problem with my Lg e975.
If the battery is empty , i can not turn my phone on while charging. I think it is not even charging sometimes. I thought it was because of charger but i think it may because of phone.
Today i am charging 10 minutes still phone going black screen after LG logo. :crying: even not sure if it is charging.
Click to expand...
Click to collapse
Any solution for this? I have the same happen to my e975. I figure using freegee somehow corrupted the bootloader, so plan on either flashing a new bootloader or just an official update from LG and start from scratch again? Has anyone tried this?
or this: http://forum.xda-developers.com/showthread.php?t=2010624
or this: http://forum.xda-developers.com/showpost.php?p=45622733&postcount=70
Problem is its my wife's phone so wont try it until i get my nexus 5 and she can use my nexus 4 if i brick it.
***edit*** according the Houstonn, the bootloader located here: http://downloads.codefi.re/houstonn/lgog/misc/cwm-geeb-4-3-z20i-bootloader_only.zip it should be able to be used on any LGOG. IF you are game give it a go but i won't be responsible for any bricks. I will test it when i get my nexus 5. Its a 4.3 bootloader that can be flashed using CWM.

MontAlbert said:
Any solution for this? I have the same happen to my e975. I figure using freegee somehow corrupted the bootloader, so plan on either flashing a new bootloader or just an official update from LG and start from scratch again? Has anyone tried this?
or this: http://forum.xda-developers.com/showthread.php?t=2010624
or this: http://forum.xda-developers.com/showpost.php?p=45622733&postcount=70
Problem is its my wife's phone so wont try it until i get my nexus 5 and she can use my nexus 4 if i brick it.
***edit*** according the Houstonn, the bootloader located here: http://downloads.codefi.re/houstonn/lgog/misc/cwm-geeb-4-3-z20i-bootloader_only.zip it should be able to be used on any LGOG. IF you are game give it a go but i won't be responsible for any bricks. I will test it when i get my nexus 5. Its a 4.3 bootloader that can be flashed using CWM.
Click to expand...
Click to collapse
i just gave it a shot and it's working ok, no more power up issues, i will try the charging thing when my battery runs out. thanks!

worked for me. charged fine as well. phew. Would've had to sleep on the couch if i bricked her phone

Hello, ¿how i can return to the stock bootloader to flash a stock rom?
thanks.
MontAlbert said:
Any solution for this? I have the same happen to my e975. I figure using freegee somehow corrupted the bootloader, so plan on either flashing a new bootloader or just an official update from LG and start from scratch again? Has anyone tried this?
or this: http://forum.xda-developers.com/showthread.php?t=2010624
or this: http://forum.xda-developers.com/showpost.php?p=45622733&postcount=70
Problem is its my wife's phone so wont try it until i get my nexus 5 and she can use my nexus 4 if i brick it.
***edit*** according the Houstonn, the bootloader located here: http://downloads.codefi.re/houstonn/lgog/misc/cwm-geeb-4-3-z20i-bootloader_only.zip it should be able to be used on any LGOG. IF you are game give it a go but i won't be responsible for any bricks. I will test it when i get my nexus 5. Its a 4.3 bootloader that can be flashed using CWM.
Click to expand...
Click to collapse

llanerosolitario said:
Hello, ¿how i can return to the stock bootloader to flash a stock rom?
thanks.
Click to expand...
Click to collapse
No idea mate. I assume you would have to find a full stock rom and just flash that via normal update methods. I don't plan on ever going back to the crap that LG call stock.

Huntytigger said:
Hello,
I have the exact same problem with my Lg e975.
If the battery is empty , i can not turn my phone on while charging. I think it is not even charging sometimes. I thought it was because of charger but i think it may because of phone.
Today i am charging 10 minutes still phone going black screen after LG logo. :crying: even not sure if it is charging.
Click to expand...
Click to collapse
Guys this is normal when u empty ur batt and charge... Just leave it for a while to charge.. Happens to me also..
Sent from my LG Optimus G using Tapatalk

davevinci said:
Guys this is normal when u empty ur batt and charge... Just leave it for a while to charge.. Happens to me also..
Sent from my LG Optimus G using Tapatalk
Click to expand...
Click to collapse
Happened again just now.
The problem is when it is at this strange black screen it is not charging!
Just i put my phone to charge left there 1 hours. Just wanted to turn on but didn't. Pluged of the charger and phone is not booting because battery seems to empty. Just i put it back to charge and restarted it 10 times nearly. Now the phone turned on and started to recharging from 0!
I feel like phone going and coming back to life. Some day will not turn on.

Ya.. . Lg phones has this weird behaviour.... Even with charger plugged and empty battery you can't switch on your mobile... I think it always take power from battery even with charger connected....
Sent from my LG-E975 powering Stock 4.1.2

hey
MontAlbert said:
Any solution for this? I have the same happen to my e975. I figure using freegee somehow corrupted the bootloader, so plan on either flashing a new bootloader or just an official update from LG and start from scratch again? Has anyone tried this?
or this: http://forum.xda-developers.com/showthread.php?t=2010624
or this: http://forum.xda-developers.com/showpost.php?p=45622733&postcount=70
Problem is its my wife's phone so wont try it until i get my nexus 5 and she can use my nexus 4 if i brick it.
***edit*** according the Houstonn, the bootloader located here: http://downloads.codefi.re/houstonn/lgog/misc/cwm-geeb-4-3-z20i-bootloader_only.zip it should be able to be used on any LGOG. IF you are game give it a go but i won't be responsible for any bricks. I will test it when i get my nexus 5. Its a 4.3 bootloader that can be flashed using CWM.
Click to expand...
Click to collapse
I just want thank YOUUU SO Much... i was really afraid... but this worked!!!! ****... thanks mate really!!!
Did u guys know why this happening? this problem? was random... :s because of freegee maybe?

Update boot loader, use nexus one
Sent from my LG-E975 using Tapatalk

[Q] LG G3 - D855 Restarting when not charging

Hello,
My LG G3 keeps on restarting when it is not charging. What I did is I reset (factory reset and hard reset) it while it is plugged on the power outlet but same result happened. Phone is normal while it is charging though my battery is already 100% so I need to remove it.
My phone is not rooted, no custom ROM installed after I got it from the store so its safe to say everything is in original state.
Please help developers. Thanks!
Model : LG-D855
Android Version : 5.0
Kernel Version : 3.4.0

Probably a problem with the battery. Try with another battery.

goxi87 said:
Probably a problem with the battery. Try with another battery.
Click to expand...
Click to collapse
might try that. will update you after testing. gonna find other G3 users in my location.

sasukemusika said:
might try that. will update you after testing. gonna find other G3 users in my location.
Click to expand...
Click to collapse
seems to be that some people have this problem now
http://forum.xda-developers.com/lg-g3/help/reboot-charging-t3110810

D855 stuck in ever lasting bootloop

So my mom's G3 started acting weird a couple weeks ago, it would randomly shut down but could be started without big problems. However yesterday it shut down and when we tried to restart it it became stuck in a bootloop. I've thought about hard reset but my mom has some pretty important stuff on it and prefers not to lose it. I've also thought about kdz flash but since I'm not sure about her phone's current firmware (i'm sure that it's lollipop, but I don't know which exact version) I can't do anything.
How can I solve this, or, at least, know which exact firmware is the phone running ?
By the way it's a 100% stock phone, no root no recovery, nothing.
Thanks in advance.

metamoq said:
So my mom's G3 started acting weird a couple weeks ago, it would randomly shut down but could be started without big problems. However yesterday it shut down and when we tried to restart it it became stuck in a bootloop. I've thought about hard reset but my mom has some pretty important stuff on it and prefers not to lose it. I've also thought about kdz flash but since I'm not sure about her phone's current firmware (i'm sure that it's lollipop, but I don't know which exact version) I can't do anything.
How can I solve this, or, at least, know which exact firmware is the phone running ?
By the way it's a 100% stock phone, no root no recovery, nothing.
Thanks in advance.
Click to expand...
Click to collapse
Many people has such problem mine one able to make it boot again by plugging in to a charger, still it will still reboot frequently, my friend fixed his by replacing motherboard while some others said it is related to battery

I've tried plugging in the charger but never thought of the battery.
I'll try switching batteries, thanks for advice.
UPDATE: I could get the phone on again by switching batteries, thanks a lot !
If I flash a new firmware can the old battery work again ?

metamoq said:
I've tried plugging in the charger but never thought of the battery.
I'll try switching batteries, thanks for advice.
UPDATE: I could get the phone on again by switching batteries, thanks a lot !
If I flash a new firmware can the old battery work again ?
Click to expand...
Click to collapse
I.don't think it is related to Rom as I am using stock MM

We're going to buy a new battery, hope this fixes it for good.
Thanks for your help.

d851 randomly shuts off, won't power on without charging/removing battery WHY??

Hello all,
having a really aggravating problem where I'm using my g3 where periodically I'll be using my phone (playing pokemon go usually, think it happened once while using the web browser) and the screen just shuts off and will not power on or do anything at all, totally unresponsive, no matter how long I hold the power button. I either have to pull the battery or plug it into a charger to get it to power on again.
When I plug the phone into the charger, the battery screen pops up. It shows my current percent and after some time it will boot back into system.
This wouldn't be so awful if it wasn't for the fact that there's no way to reset the damn phone when it's unresponsive without pulling the battery or charging!
Please, would anyone have ANY clues as to why this is occurring? Any logs I can check?
At the very least, is there any way to modify the boot firmware to allow me to reset the phone when it's unresponsive?
The only thing I can think of is that I replaced the battery recently. The replacement is (supposedly) genuine.
Thank you so much!
[edit] Currently using stock marshmallow that is just rooted no custom kernels or xposed (clean flash) and still having the problem but also had the problem on an older version of fulmics with an old version of xceed kernel

Sorry for the bump, but I'm really desperate for any pointers to solving this. To reiterate:
1. I'll be using my phone (touch screen is being pressed)
2. Screen suddenly shuts off, completely black, no rhyme or reason
3. Phone completely unresponsive, will not power on until battery is pulled or phone is plugged into the charger (in the case of the latter, the phone displays the battery charging screen like the phone was completely off and dead)
Please I'm desperate for any kind of help at all. The problem doesn't seem to happen while charging, only when drawing directly from battery though I generally don't use it while it's charging

I also have D851 I had the same problem as u Flash custom kernel like xceed check the andriod development page for g3 u will see it there use 4v beta mentioned on his thread u need TWRP n root for this if ur in clean stock rom ... No xposed no viper it doesnt support it will give u reboots if u use both these ....

jinderation said:
I also have D851 I had the same problem as u Flash custom kernel like xceed check the andriod development page for g3 u will see it there use 4v beta mentioned on his thread u need TWRP n root for this if ur in clean stock rom ... No xposed no viper it doesnt support it will give u reboots if u use both these ....
Click to expand...
Click to collapse
Thank you so much for your response jinderation!
Just to clarify, you've had this issue described in the OP, but installing the exceed 4v kernel solved the problem for you?
I've installed the exceed 4v kernel so I will report back if I still have the problem.
Regards

Yes i had the same issue mine gave problem when i was rooted n xposed installed on stock kernel i havent checked it in complete stock cuz i recently bought this phone n whenever i buy a new phone i root it after flashing xceed wipe delvik cache also i no longer have random reboots of tmobile logo n no phone being complete dead to pull the battery out n place it back again ... After flashing xceed u also may need to flash super su via twrp for root download synapse from playstore apply on the lower power state mode then ur good to go

Hey everyone. I've installed the exceed 4v kernel as described in Jinderation's post and sadly I still get the shutdown / won't respond without pulling battery or charging problem .
I noticed I almost always have the problem when the battery is under 50. It NEVER happens while the phone is connected to some kind of charger.
I will be extremely grateful to anyone who can offer further advice. Is there anyway way I can run a log to catch what's causing this problem?
Also, thank you so much jinderation for taking the time to help me.
Regards

I was on the stock MM rom about a month in use for the d851 had no issues. Yesterday my phone blue screen wont power back on or no charge no nothing. Plz help!!!

amaskedman said:
Hey everyone. I've installed the exceed 4v kernel as described in Jinderation's post and sadly I still get the shutdown / won't respond without pulling battery or charging problem .
I noticed I almost always have the problem when the battery is under 50. It NEVER happens while the phone is connected to some kind of charger.
I will be extremely grateful to anyone who can offer further advice. Is there anyway way I can run a log to catch what's causing this problem?
Also, thank you so much jinderation for taking the time to help me.
Regards
Click to expand...
Click to collapse
Thats strange u shouldnt be having this issue on that kernel ... Here is one another solution go back to stock via restore via twrp if u had a backup in there ...n flash solid kernel ...solid kernel is best for performance try that... I played n completed Fahrenheit indigo prophecy game on that kernel no reboots or being complete dead... Try it n report back ...also buy 2 stock batteries try running them on ur phone also use geniune stock cable n charger install ampere app see how many ampere are showing when charging the value needs to be 800mah in normal
---------- Post added at 02:55 AM ---------- Previous post was at 02:52 AM ----------
DKStunna108 said:
I was on the stock MM rom about a month in use for the d851 had no issues. Yesterday my phone blue screen wont power back on or no charge no nothing. Plz help!!!
Click to expand...
Click to collapse
If its not completely responding take it to a reputable technician who can unbrick ur phone n dont worry it wont cost ur 100$...market is filled with there parts anyway

DKStunna108 said:
I was on the stock MM rom about a month in use for the d851 had no issues. Yesterday my phone blue screen wont power back on or no charge no nothing. Plz help!!!
Click to expand...
Click to collapse
try a new battery

gringos75 said:
try a new battery
Click to expand...
Click to collapse
I got a new battery today. Same issue no power on