[Q] [HELP] OPO goes crazy when charging - ONE Q&A, Help & Troubleshooting

Every time i try to plug my phone to charge it (after turning it off), it shows battery status for a couple seconds and then reboots, and does the same thing over again. This seems to be a loop i can't stop. Only way to charge it is to turn it one and plug it. What is happening?

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[Q] Phone turned of and not turning on again

I Think that its the power button that is stuck but im not sure
My phone started going crazy, when I turned it on, it was going to the HTC logo and then turned off (After about 3-4 seconds, Not showing CyanogenMod logo.)
and when I managed to turn it on (Remove the sim-card and turn it on normally) it worked, and when I inserted the simcard the phone got stuck and disconnected.
I Cleaned the simcard (Rubbed it against my pants..) and the phone worked for about 30-60 minutes, not sure.
After that 30-60 minutes, i saw the screen turned on showing the lock screen, then it asked me if i want to power-off or reboot, i pressed the back key.
And the phone turned off.
Since then i cant even turn it on..
And when i plug in the power adapter, no LED going on.
so i disassembled it, And disconnected the battery, and when i connected the battery again the phone turned on as if i am pressing the power button showing the htc logo and then turning off again..
and i cant turn it on..
SORRY for the long story..
I Checked (Using a multimeter) And the problem is not withing the power button or the battery (Battery gives out 2.9 volts instead of 3.7 as written but its because low battery..)
Still the phone wont charge

[Q] One S wont charge or turn on

Woke up one morning and the phone was stuck on the startup screen. Turned it off, and when I rebooted, it still was stuck on the startup screen. Then, after a day or two, it would not reboot at all. no red light when plugged in charger. also when its plugged to pc, pc is making sounds like its plugged and then unplugged many times. is it possible to fix it? or its dead motherboard?
Are you able to access the bootloader?? By pressing volume down and the power on button simultaneously while no cable is connected to the phone?

Dead GFlex2: get LG logo but no startup (or Recovery)

My LG G Flex 2 H950 was working fine, running google maps and playing music, plugged in to the car charger. Within minutes of leaving the car the phone was dead - I could not power it on. I can usually get it to show the LG logo by trying to start in Recovery Mode (holding the power and volume-down buttons for several seconds) but then the logo just disappears after a few seconds and the phone does not power on. But sometimes when I try this the red LED blinks on the phone screen and the logo may or may not appear. Sometimes (50%) when I plug the phone in to my Windows 10 desktop, the computer plays a tone to indicate a new device has been connected, but no icon appears in the list of hard drives or devices.
I think the battery is charging normally - when I connect the phone to a USB volt meter it usually (but not always) shows a normal amount of amperage flowing, and just now when I tried to start the phone it showed the battery charge icon on the phone screen (it doesn't usually do this) and showed 100% charge.
Is there anything else I can try, even if just to get the phone running long enough to backup my text messages etc?
Is there any way to test what's actually wrong? I'd hate to spend money on a new battery or charging port etc for a slim chance to temporarily fix a phone that seems like it's dying.
Thanks for any advice or suggestions...
Hey, i've got the same problem since today. i was watching youtube videos when the phone suddenly stopped working. did you already find the problem?
Sorry for my bad englisch ( Dutch)
No - not solved, phone still dead. Still would love to hear any advice...
I used to have the exact same problem as you - bootloops at the LG logo, no recovery etc. After some reading it seemed that the battery was the root of the problem, and after replacing the battery my phone was back to life - no issues ever since. I recommend you check if the battery is the issue by connecting it to a normal charger (i.e. not charging from a PC) and powering it on, by holding the power button at the battery charging screen. If it powers on normally then it's most likely a battery issue, which can be easily fixed. Cheers!

Sol 26 randomly reboots, and now progressed into a boot loop.

Hi Friends, as the title says I have a problem booting my Z3(sol26), and I wish to save my data and photos on the phone.
I didn't root or flash anything on the phone, and haven't updated for over 2-years, the recent changes on the phone are installing and uninstalling the WeChat app.
Symptoms:
- The first sign of problem started two days ago, the phone randomly reboots while I am using it. Although it is a rare occurrence, I didn't pay too much attention to it.
- Then yesterday, it randomly reboots again, but this time, the reboot process did not complete: the phone would reboot again after showing the boot animation (like this: i dot imgur dot com/AhF5Kso.png). I plugged the phone into a charger, then it magically completes the reboot. The random reboot happened 2 times yesterday, each time I solved by plugging in the USB cable to charger.
- So today, I decided I should do a backup, but things got worse too fast. The phone now enters a reboot loop, each loop lasts only 5 seconds or so, just enough time for the sony logo to show up. And plugging in the USB cable doesn't help anymore.
What I have tried:
1. Holding power and volume+ key, gets three vibrations and turns phone off. No effect, boot loop continues after powering on.
2. Press the reset button in the sim-card slot, gets three vibrations and turns phone off. No effect, boot loop continues after powering on.
3. Opened up the back cover, removed battery connection, and reconnected it. No effect, boot loop continues after powering on.
4. Plugging in the USB will cause the phone to power on and enter reboot loop.
5. Charging the phone using magnetic contact while it is powered off will not cause boot loop, the battery logo and percentage show up. Now the phone is 90% charged.
At this point, my wish is to get the phone to boot successfully one more time, so that I can savage the data. Please help me.

Phone won't turn on...kinda

On some random day i was on my pc, not aware of the fact that my Q6 had to be charged. I looked over and noticed that the battery died (the phone was in perfect condition and had never had problems before) but then when i tried charging it, it didn't turn back on.
Basically all it does now is show that it's charging, it then proceeds to try and turn on, it vibrates and the screen remains black, after about 2-5 minutes it vibrates again and again until i let the battery drain, then it just shows a battery icon with 0% on top of it.
I have tried booting into recovery or maybe plugging it into my pc but nothing worked, has anyone had experience with this and knows how to fix this?

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