Phone won't turn on - Xperia Z3 Q&A, Help & Troubleshooting

Hello guys, I have D6603 and tonight, phone gone dead... How it's happened... So, I was playing on phone and put phone in my pocket and stand up and phone felt from pocket and no reaction. I was thinking that display is broken.. but when try to make something, no reaction. I put it on charger (before drop it has 89% battery) and red light appear. I told WHY!? you have battery... after 10-15 sec, display light up and shows SONY, I told great, display is OK, but 1-2 sec after SONY logo, phone restart. NO VIBRATION, NO START UP, NOTHING.... when SONY logo disappear, red light gone for 5 sec, and then light up bright, after 10-15 sec red light dim and SONY logo appear, this is for 1 min and it stops, only red light... I left phone on charger, after about 30 minutes, red light turn off and nothing, phone won't turn on. I try Vol UP + power, yellow button, remove battery(when battery is not connect, it appear empty battery logo and 5 sec later phone restart, when connect battery again SONY logo for 2 sec and restart),nothing, no vibration... I try connect with PC, only fastboot work...

do the 20second reset. this simulates a battery pull.
i dropped my Z3 too, no damage at all, but it doesn't work at all anymore. No red lights nothing.

aaapje15 said:
do the 20second reset. this simulates a battery pull.
i dropped my Z3 too, no damage at all, but it doesn't work at all anymore. No red lights nothing.
Click to expand...
Click to collapse
already tried, nothing ...

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[Q] Phone wont boot

I have a xt925. The phone is not mine, I got it off of somebody for a few days. He told me the phone would not charge or turn on.
Phone was never rooted or anything like that. Anyway the problem is that the phone will not turn on.
First thing I did was charge it for a few hours. The green light DOES come on. When I try to turn it on it does not boot up and the green light goes away. I've also tried to boot into recovery which does not work.
tried the following:
-holding power button for 30 second
-holding power and vol down for 30 seconds
-holding power and volume up + down for 30 seconds
-plugging into the computer (computer does not read it)
What else can I try to get this thing to turn on???
Thanks
Battery is very low ... wait a night ... the green led will shutdown and the phone start automatically...

Zte concord 2 hard bricked and cant get into recovery

Every time i try to charge my phone with the battery it starts blinking red for a while before turning soild red.
tried pluging into pc phone will show the mertopcs logo for 3 seconds then screen goes black,tried holding volume up key to get into bootloader, merto logo comes up for half a second before screen goes black, did this guide androidforums.com/threads/htc-evo-4g-unbrick-guide-hard-brick-only-wont-turn-on-or-charge.456048 still wont work dose not seem the phone will even charge at this point just a black screen with solid red light help

LG Q6 boot problem

Hi,
i have LG Q6, at the time it wont turn it on. When i turn on vibrates and show logo for 1/2 secund, than black and vibrate again in 10 sekunds. Than is black and again vibrate maybe on 20sec or 30sec.
If i plug in charger on vibrates once, than black and again like if i turn it on. I think that was dead battery and i replace it and same problem.
I hold voluime dome and power on to go in hard reset menu and if i choose yes, and one more time yes then phone turn off.
If i go in download mode i only see for 1/4 seconds ' download mode and than goes black and vibrates once.
if i go in safe mode pwr, after logo vol down - nothins happend, when turn on i just see logo for one second and than black, i press vol down when see logo but go black and vibrate once and thats all :/
What to do ?
Battery ded
It sounds like a damaged battery. Try changing it or leave it charging for a while. if it does not react then the battery has definitely died
Edit: I had not understood the part of the changed battery. You took it with a good technician or it just made him "like I change him"

Phone bricked after batter replacement

I replaced the battery myself.
After finished, I trun on the phone, it vibrates once and the screen light up a little (hardly see it) but cannot boot. When I press and hold the power button, it turns off but on again automatically with the same phenomenon. What did I do wrong? I can charge the battery (the LED changed from yellow to green).
I had this to several times after changing battery. I had to disconnect the battery and connect it again every time it happened, not so funny opening the phone up every time...
After a few times it just started to work normal. Strange.

xperia z5 premium won't boot up stuck on sony logo.

hello,
when i was charging my phone, suddenly display goes off slowly and red link blinks.
after facing this problem for like 4-5 mins, my phone doesnt boot up
whenever i turn it on sony logo appears and after few seconds it goes off and red light blinks 3 times and then stay red after 3rd blink.
i tried repairing it with sony companion (2 times) nothing worked.
but one night battery was drained completely because i left it with red led in a box.
and after few days i put it for charging and it booted up normally and after few mins it shutdown,
and on the next morning i tried to turn it on , it booted up and then it got hanged and then again shutdown with red light blinking.

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