What's happened to my Sony z3? - Xperia Z3 Q&A, Help & Troubleshooting

Hello xdapeople , i have sony z3, best phone ever i used, but i got problem. 3 days back i chargerd phone full 100%, so i disconect charger and in 2 hours phone get off, when turning on, without charging cable shows that battery is empty, when i plug charger only red light lights and phone dont wont turn on or show battery icon... What i need to do??? this was my lovest phone i ever had... now... i never dropped or go inside phone. DO you have any suggests how to fix this ????
P.S I take my z3 to phone repair, replaced the battery, but the same thing? ...

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Not charging anymore

Hi all,
My HTC Polaris is not charging anymore. I was running TomTom yesterday in my car with the 12V connected. Suddenly it said low battery and the phone was powered off. I tried reconnecting the powercable, but the leds stayed off.
Back at home i tried the normal charged and the USB charger, both without effect. Somehow my phone goes to the Red/Blue/Green etc screen when connected to the PC.
I tried updating the rom, but it is stuck at 100% and after taking the battery out and putting it back in it is still dead.
Any ideas what happened and how to fix it?
It *could* be a dead battery, you get the same symptoms if you take the battery out, the charger on its own won't power the phone.
If it was me I would somehow wangle to try a mate's battery or from a phone shop (O2 if you're in the U.K.)
HTH
Kim

Complete death, wont turn on

I get my hands on a Desire S, that refuses to turn on. Now the battery is charging in a another one, there are no problems with the battery. Any suggestions what to try? When the battery will be at 100 %, i try to turn on.
When phone is charging, is there the LED orange/green? You can try the following. Plug in the phone, and while is plugged in take out the battery and try to start it up without the battery (but still plugged). I know that there was something like this written in a topic, when someone adviced to turn the phone on, then take out the battery while it was booting and the phone will still run even if the battery is out. It could be something similar with some laptops that can start regardless of the presence of the battery
Ok i now tryed to turn it on, even with the cable, nothing. Seems there is some hardware damage. Seems i have to buy new mainboard. Anybody got for sale a desire S with damaged screen ?

Tablet wont turn on

Hi
I have a Mediacom 910 tablet that i flashed with a CM9 rom.
Worked fine for weeks, i turned the screen off to go to sleep one evening and the next day it would not turn on.
Put it on the charger and waited several hours.
Now when i press the power button all i get is a white battery icon in the middle of the screen. Inside the battery is an orange triangle with an exclamation mark inside.
What can i do to revive this unit...It must have charged the battery because now it will turn on like i mention above without the charger inserted.
I also measured that the charger is giving out 5 volts and the same thing happens when i plug in the micro usb cable to charge with that.
Anyone have any ideas what to do (Besides throw it away )
I've the same problem. I've opened the device to check if the battery link was ok. Any suggestion?

Phone dead (Dont turn on, pc wotn recognize it)

Hi guys, my little cousin have this phone and ive been tweaking it for him since he bought it like year and a half ago. Th phone was on CM11 with the mount sd script and it was working fine. Now suddenly stopped turning on. My cousin says he was charging the phone being off and that it reached 100% in about 30 minutes what it was weird he says. He unplugged the phone and now it dosen't tur on, the pc dont make any sound when is plugget into it nor shows anything in the Windows device administrator, the charger don't make the screen turn on. I tried 2 cables and 2 chargers. I think that the board got fried maybe a electrical fucltuation in his house, an overvoltage, dont know how you guys call it, we're from venezuela. Any help or explanation will be welcome.
Sorry for my english.
Well, I've found that off-mode charging was a bit buggy in CM 11 but didn't know it could fry a board.
Try to do current flush :
i. take out the battery
ii. try to switch on the phone (battery being removed) by pressing the power button for 3-4 seconds.
iii. reinsert the battery and switch on the phone.
----------------------------------------------------------
If this doesn't work then sorry it maybe a hardware fault.

Z3 Death discharge problem

Welcome, i've readed alot of topics on the internet about problems similar to this, but nothing fixed my problem. I've tried connecting to wall/pc charger, power button + volume down/up combinations, really all the thing.
Couple days ago after my phone fully discharged ( I rarely had situation like this, I usually charge when my phone have 10-15%, but this day I couldn't. ) I came back home and tried to charge my phone, red light was ON but it still didn't charge after alot of hours. I then tried to fix it, turning on phone etc. but screen was always black and phone didn't want to charge. At first when I tried to boot the Z3 red light was blinking, but after some time it stopped. I ordered new battery, replaced it carefully (though it's battery problem) - then when I connected the new battery for the first time I though I have fixed the problem, battery charging icon showed up for a moment on screen, I was very happy. Then I disconnected charger so I could assemble my phone. Now when I try to charge my phone problem is this same.. like with old battery - Just red light, not turning ON, not blinking. Powering up Key combinations with volume don't fix it. My PC Companion don't see phone. I disassembled my phone again, disconnected battery and connected it - It didn't showed any battery icon again, so why it did when I connected it for the first time? and why when my phone died for the first time red light was blinking, now it doesn't? I want to add that I never dropped my phone or used it in water - never, thats why I was almost sure maybe just battery died after it discharged.
Btw. Important thing is that USB port isn't broken, red light is always ON when I plug USB charger, but when I try to use my magnetic charger, phone never respond - no light. I also tried different cables, chargers etc. Could it really be something with the mainboard?
What could've happen? Why my phone went dead after fully discharged it ? Why battery replacement doesn't fix the problem? I don't get it, is mainboard damaged or something? Can I still try something? Maybe anyone can help me.
Please :/ I cannot afford a new phone right now, really want to try fix it, maybe somehow connecting USB cable straight without usb port can fix it? I heared people do something like this.

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