Z2 won't charge correctly, boot loop and flashlight always ON - Xperia Z2 Q&A, Help & Troubleshooting

Hello i have a Z2 who can't charge correctly. Sometimes i can switch on the phone it charge very slow (look picture only 100mA max) and if i disconnect the cable the phone reboot. Boot loop only if i try to switch on the phone with battery.
I bought a new battery but problem still there On the back i can see flashlight always ON ...
i don't know what to do i just look alternative point on battery and verify connector but it seems good ....
if anyone can help me because i search a lot and don't find any way to arrange this. This phone is like new but no warranty
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KoSLoW said:
Hello i have a Z2 who can't charge correctly. Sometimes i can switch on the phone it charge very slow (look picture only 100mA max) and if i disconnect the cable the phone reboot. Boot loop only if i try to switch on the phone with battery.
I bought a new battery but problem still there On the back i can see flashlight always ON ...
i don't know what to do i just look alternative point on battery and verify connector but it seems good ....
if anyone can help me because i search a lot and don't find any way to arrange this. This phone is like new but no warranty
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Click to collapse
Are you using stock or using custom rom and if u are on unlocked bootloader what kernel are u using???
Please do factory reset
And another thing is when the problem shows it self???
Sorry for my bad English

Hello it's stock rom no unlock or something all is original.
The problrm is here permanently. Boot loop and flashlight powered on.

Related

fatal failure [spanish ROM crashes phone]

hi,
i have an MDA Compact II of T-Mobile..
Previously it had German Windows Mobile 5 ROM, and I wanted to install an Spanish ROM..
Turned to be that the spanish one installed allright, but when i tourned the phone on it didn't... So i plugged it in and came to life but the battery was in 0%...
I let it plugged for half an hour but the charge didn't went up...
So i tried to install a new German Rom again but it doesn't allow me to do it because the battery is less than 50%...
I tried with several charmers but no one turned to solve my problem...
There is anything else that I can do??
Do you need mor information?? Tell me how to obtain it.. I'm preety new in this things...
Thanks
:/
There is a way,its a little bit extreme and i dont recommend it in any case but here it is if u like risking ur phones life: like battery flashing u need to connect ur phone directly to the cut off usb cable without battery,+to+,-to- all 4 wires, and the phone thinks that its backup power that ignores battery% but its still USB connected..I discovered that when i bought 3.6v instead 3.7v battery and it didnt want to start charging or start the phone if battery % below 6,so i did already explained and in the meantime little experimented. Its very low voltage on usb cables so it cant burn phone but u never know..
Like on picture connect usb wires to pins on phone those contacts go to..
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Again,it worked for me but it doesnt mean that it will for you so..
Hope this helps..
Cheers

x10 got switched off n wont turn on!!!

Hi all,
I was doing something on my x10(maybe arranging widgets)when it suddenly got switched off!!.I'm using stock 2.3.3,rooted with Doomlords method.
I tried to flash but it simply wont detect.Whenever i press the power button led blinks(red) for a few secs n thats it!I cant even feel the vibration.I also removed the battery multiple times without any help.
Please help me here...Maybe my battery was low.So i put it on charge for 2 hours but nothing happens...Even the battery didnt get hot
And I dont reside in the country where i bought it from.So warranty problems too
Any help is appreciated.Thx!
evilmonk69 said:
Hi all,
I was doing something on my x10(maybe arranging widgets)when it suddenly got switched off!!.I'm using stock 2.3.3,rooted with Doomlords method.
I tried to flash but it simply wont detect.Whenever i press the power button led blinks(red) for a few secs n thats it!I cant even feel the vibration.I also removed the battery multiple times without any help.
Please help me here...Maybe my battery was low.So i put it on charge for 2 hours but nothing happens...Even the battery didnt get hot
And I dont reside in the country where i bought it from.So warranty problems too
Any help is appreciated.Thx!
Click to expand...
Click to collapse
try a universal charger they are cheap that worked for me
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No...The charger's fine.It charges my x8 without any problem

[Q] WTF [imgs] + auto charging + Massive batery drain even if i turn off my phone :(

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Look please on images i havent connected the charger but my phone is trying to charge itself wtf but it gets an error ..
+++
i can't turn on my phone until i dont connect my charger
++++++
when i connected my phone batery was on 87% after 5 minutes now it has 90%
+++
i get -10% of battery life in stand by mode per hour
i dont undestend why i get this and how can i repair this ?
i cant turn off my phone completely until i dont get off the battery coz it automaaticaly gets to charge mode
Anyone? ,
hey
sorry to hear that,
did you try to hard rest your phone?
by the way, are you using any custom rom?
if you do try to flash it back to the stock one.
yes im using miui ..
did you have this problem before using miui rom?
some problems like that but not this (before i wasnt able to charge my phone if it was turned off and now this) .. i flashed cm7 and checkrom revolution and i get the same problem
now i installed official rom but i get same error
Interesting is that when i go to USB debugging and i try to enable it say me:
USB is connected.Remove all the cable
weird...
well, that what i know, hope someone can help you
Carefully clean your microUSB port.
2 Days Ago i dropped the phone in a cup of water .. there was some water(few) and now it looks like this affected my microusb port

[Q] Vibrant Won't turn On!

Hi, I have a TMobile Vibrant ROMed and rooted here, and it won't turn on. the soft keys do light up when its plugged in, but that's all it does. The battery is charged for sure because I do have an external battery charger that tells the charge of the battery.
This started happening about a couple days after I flashed AOKP, the odd thing is, prior I had CM7 flashed and it randomly bootlooped on me while using it (read: I was not installing roms/kernels, just regular day usage and it bootlooped)
This time with AOKP, it doesn't turn on at all! If anybody needs further information, I'll be on all day to provide it. Can anybody please help me?
UPDATE : I'm starting to think the screen is dead; I was able to flash stock somehow, and I can hear the unlock sound, but obviously nothing is on the display :/.
You probably already know that you can check for vital signs by plugging it into a PC and checking for a USB connection. You might even be able to get an adb login.
If the screen is dead, you could maybe use it as a... webcam? Wifi widget? Paper-weight? Or spare parts?
Good luck with it. It does sound like bad hardware.
Sell for parts and buy an iPhone....easy
Sent from my SGH-T959 using xda premium
VeryCoolAlan said:
Sell for parts and buy an iPhone....easy
Sent from my SGH-T959 using xda premium
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^^ I'm on his side

LG V10 H901 Not Starting and also not showing charging logo after connect charger.

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My phone is LG V10 H901
My running Android Version previous this problem is LOLLIPOP 5.1.1
When i am update my os with Nougat so i am connect my phone to laptop and open the LGUP software there my phone showing is H90110c so i flush my nougat using the .kdz extension file . When process is completed and in LGUP showing your phone will be reastert in 160 Sec but after that phone is switch off and not turning on anymore and when i plug my charger to phone its also not showing charging logo so what should i do Please Help me
When i am connect my phone to my laptop its showing in Device Manager like Qualcoom 9008 with port no showing.
i am in the too much trouble. How to i fix this problem. i also ready for pay if some one my solve problem.
Thankyou.
Did you find any solution?
Same problem here
I'm sorry to say that the phone not turning on is the infamous "bootloop" this is one of the situations where the phone doesn't even want to boot even less loop. I had the same thing. Literally I thought that my battery died and I put in my new and charged battery still no dice. It was dead and reacting to nothing. I baked my motherboard and the phone turned on and worked for 3 days then the same thing happened and I baked it again but it was gone...
I ordered a motherboard from aliexpress and let's see how that works out. Still waiting for it to come...

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