Stuck at sony logo - Xperia Z3 Q&A, Help & Troubleshooting

Everything was fine, but it suddenly shut down, and then stuck at the sony logo,, I can't get into the system even when I use flashtool. I tried to unlock boolloader so xperia companion doesn't work anymore. what's the problem?

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Xperia L stuck at logo and auto restart

Hi, I have a Sony Xperia L C2104 which happens to have a booting problem. I was playing a game on my phone when suddenly the phone shutdown but itself and now it is stuck or happen to restart or shutdown itself. Sometime the phone start by itself but does not pass the Sony logo and sometime it by passes the Sony logo and then Sony Animation starts but sadly shuts down itself again. I have tried updating the phone couple of times even if it says it has the latest version. I tried to hard reset by pressing the Volume UP+DOWN and the power button but still fails, so thus I cannot get the boot menu/recovery option. I also dont know whether is phone has a unlock BL or lock BL and I dont know whether the phone can be unlock if needed.
Please HELP :crying::crying::crying:
P.S.: About flashtool from Sony, I am still waiting for the confirmation email from them, which I cant wait anymore so here I am.
Go to sony service center
agittan said:
Hi, I have a Sony Xperia L C2104 which happens to have a booting problem. I was playing a game on my phone when suddenly the phone shutdown but itself and now it is stuck or happen to restart or shutdown itself. Sometime the phone start by itself but does not pass the Sony logo and sometime it by passes the Sony logo and then Sony Animation starts but sadly shuts down itself again. I have tried updating the phone couple of times even if it says it has the latest version. I tried to hard reset by pressing the Volume UP+DOWN and the power button but still fails, so thus I cannot get the boot menu/recovery option. I also dont know whether is phone has a unlock BL or lock BL and I dont know whether the phone can be unlock if needed.
Please HELP :crying::crying::crying:
P.S.: About flashtool from Sony, I am still waiting for the confirmation email from them, which I cant wait anymore so here I am.
Click to expand...
Click to collapse
If you havent rooted/unlock take it to service center they will guide you... :good:

Sony st27i bricked

The above phone stopped mid Sony update now when the phone turns on. (Volume up and switch on .) All I see is the sony logo.
I have downloaded flashtools and the sony recovery but when I hold volume down and turn on the PC does not connect.
Are there any other recovery methods ?
Cheers
SteveW

Bricked???

Hello, I have used threads here 6months ago to install stock firmware + root. I decided to flash this rom today http://forum.xda-developers.com/z3/general/6-0-1-23-5-0-570-prerooted-recovery-t3362790
After rebooting all i get is the Sony logo, and nothing. Have to press all 3 buttons (power,volUP,volDOWN) for it to turn off...
Battery screen wont show when plugged into power/usb
Have tried Flashtool and the Sony Companion, they dont work. All i get is Sony logo after flashing/repairing.
Update: Flashed stock successful

Loop on SONY logo

Hi
I have a problem with Sony XPeria Z3. It starts only on charger and loop on SONY logo. Power Button doesnt work I used flashtool and installed stock rom. I tried to replace main flax and battery. How Can i solve this problem?

Xperia XZ Premium Bootloop and Bootloader Locked, Help appreciated.

I have tried newflasher, flashtool and sony companion program, all haven't solved the issue, surely it can't be bricked if it turns on and charges? It turns on stay on the sony logo for 25 seconds then reboots vibrates and flashes a blue then green led and repeats the exact process. I can get in to flashmode and fastboot but fastboot is useless when the bootloader is locked. Anyone experienced anything like this? the phone is xperia xz premium g8141 model

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