Xperia Z reboot loop, sometimes weird lines, cant get out!!! Help!! - Xperia Z Q&A, Help & Troubleshooting

I have my Xperia Z C6603 with Indian lollipop flashed. One day I told my sis to plug my phone to charger and I dont know what she doid, I think she pressed the power key and the phone rebooted. After a while when I checked my phone it had only black screen, no touch nothing was working. I force rebooted the phone and then it got stuck in boot loop. Then I had the Indian Kitkat firmware downloaded from here >>[FTF][4.4.4] Xperia Z (C6603) 10.5.1.A.0.283 Generic IN (India) - UPDATED<<. Flashing it that time gave me error because drivers were not installed, I installed drivers and then I flashed it, flashed successfully and then I started it, at the choice of Language, when I touched it, the screen went black smoothly and then nothing happened. I force rebooted it. Then I done a software repair from Sony's PC companion. I had lollipop then, it started and after powered by android logo, it went black smoothly and then nothing. Then I tried to flash the kitkat firmware again thinking that it might went bad that time. And now it again stuck in boot loop. At the language select, it went black smoothly and reboots. Please Help!!!

Rocking Durgesh said:
I have my Xperia Z C6603 with Indian lollipop flashed. One day I told my sis to plug my phone to charger and I dont know what she doid, I think she pressed the power key and the phone rebooted. After a while when I checked my phone it had only black screen, no touch nothing was working. I force rebooted the phone and then it got stuck in boot loop. Then I had the Indian Kitkat firmware downloaded from here >>[FTF][4.4.4] Xperia Z (C6603) 10.5.1.A.0.283 Generic IN (India) - UPDATED<<. Flashing it that time gave me error because drivers were not installed, I installed drivers and then I flashed it, flashed successfully and then I started it, at the choice of Language, when I touched it, the screen went black smoothly and then nothing happened. I force rebooted it. Then I done a software repair from Sony's PC companion. I had lollipop then, it started and after powered by android logo, it went black smoothly and then nothing. Then I tried to flash the kitkat firmware again thinking that it might went bad that time. And now it again stuck in boot loop. At the language select, it went black smoothly and reboots. Please Help!!!
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Click to collapse
seems to be a hardware problem, maybe it got hit somehow... ?_?

Related

[Q] Cant get into fastboot - Sony Xperia Z

Hi all
I unlocked the bootloader, then rooted the phone then flashed a custom ROM. All went well, then for some reason the phone switched off and for a few hours it would not turn on at all. I left it on charge and eventually I could turn it back on.
However since then I have not be able to boot into fastboot made at all. When i first turn the phone on I am clicking the up volume to get into fastboot, but I never get the sony logo, instead it goes straight to the boot image from the rom (the colourful X), and it does not progress any further, I think the ROM was KA revolution.
Anyone have any ideas? I am completely stuck
and I have followed the steps here using the Update service tool from SONY http://forum.xda-developers.com/show....php?t=2216974
the phone detects fine but it tells me I have custom software and it can't be updated.
fixed now... its all good
Sorry for the bump but do you mind telling me how you got it working?

[Q] Sony Xperia Z was updated with 10.4.1.B.0.101

I was hopeing i would not have any need to post for help...but there you go
I brought the above phone with the "sony boot loop" fault thinking that i could fix it after reading loads of tips and threads
Turns out i cant
I started with Flashtool everything went ok said it had flashed .....still stuck in boot loop
then went on to Sony Mobile to try repair that also went all the way through the process
result
Stuck in boot
Up next was Emma
That told me the phone was locked
so now over to Sony support for unlock code did this with adb/fastboot back to Emma said phone was locked now bald!
Back to Flashtool unlocked the phone in -777 sec or what ever
back to Emma
Result see att.
Now ive gone trough this twice now and the phone id still in "Sony boot loop"
I was now thinking i could be a hardware error .....but when the Sony logo comes up it looks just fine so not the screen and at one stage i even had the Xperia logo
Any help or ideas would be muchly appreciated
Thank you
All sorted now and running just great
It was a fault on the battery ....replacement fitted and it cured the problem

[Q] NEW black screen of ...death ??

Hi guys I have a stock xperia z1 I havent done anything with it except rooting it when it was in Kitkat
After updating it today to Lolipop through the Sony Pc Companion, I have the following issue:
When i turn on the phone nothing happens, the screen is black... I Can hear the startup sound of the boot screen or sony logo whatever...
But the screen is absoluteley black till it finishes loading and boots into android then the screen comes back to life and everything works normally !!!
I do not understand how come it is black for the whole bootup process then normal once it is in android! I tried to do a repair/ factory reset etc... but i still get the same thing either way...
Any Ideas?
firas1886 said:
Hi guys I have a stock xperia z1 I havent done anything with it except rooting it when it was in Kitkat
After updating it today to Lolipop through the Sony Pc Companion, I have the following issue:
When i turn on the phone nothing happens, the screen is black... I Can hear the startup sound of the boot screen or sony logo whatever...
But the screen is absoluteley black till it finishes loading and boots into android then the screen comes back to life and everything works normally !!!
I do not understand how come it is black for the whole bootup process then normal once it is in android! I tried to do a repair/ factory reset etc... but i still get the same thing either way...
Any Ideas?
Click to expand...
Click to collapse
Try to flash 5.0.2 ftf for your phone via flash tool...

Phone Not booting up!

guys need some help
I was updating my Sony Xperia z1 to lollipop with sony pc companion and all of a sudden it showed an error that something was wrong with my internet connection, Now my phone isn't even booting up!
Everytime I boot it up it shows the sony logo and the screen remains greyish, nothing happens after that!
I am not even able to boot into recovery mode!
I tried to run a repair on phone but each time i get update error. Phone still not switching on.
Please suggest what should I do
Techmay said:
guys need some help
I was updating my Sony Xperia z1 to lollipop with sony pc companion and all of a sudden it showed an error that something was wrong with my internet connection, Now my phone isn't even booting up!
Everytime I boot it up it shows the sony logo and the screen remains greyish, nothing happens after that!
I am not even able to boot into recovery mode!
I tried to run a repair on phone but each time i get update error. Phone still not switching on.
Please suggest what should I do
Click to expand...
Click to collapse
Does your phone have a locked or unlocked bootloader?
aquaboy11 said:
Does your phone have a locked or unlocked bootloader?
Click to expand...
Click to collapse
i haven't done anything to my phone since I received it, I didn't root it or anything so i assume it's locked!
ok so my phone is working now I tried everything all night long seriously nothing worked. Then I just gave up and went to sleep. I tried to repair it again in the morning after charging the phone all night long, and suddenly the repair was successful and my phone booted up Seems like the first update error drained all my battery power and it wasn't able to perform repair for that reason! But it's working now I'm on Lollipop and everything's working fine

[Q] Bricked Xperia Z?

Hello, my xperia Z C6603 screen isn’t turns on. The device isn’t rooted.
I disassemmbled the phone and I put the parts in a new frame. After reassembly, the phone worked fine with the new frame and screen and I used it about one week. Then I thought I flash a new lollipop firmware instead the kitkat because the lollipop wasn’t updateable yet in my firmware customization. So I flashed the newest lollipop 5.0.2. ( 10.6.A.0.454_1270-7298_R1E Central Europe1) stock firmware with the 0.9.18.6 flashtool and the things go badly.
The first boot was succesful but after the boot the screen went colorful and I saw nothing besides but if I pushed the volume up or down button I heard the volume sound. I turned of the phone by power on/off and volume up button and I tried to flash other firmwares. The flash methode is always succesful but the phone didn’t work. (I tried the 3 different android versions stock firmwares jb kitkat lollipop.) I used flashtool, emma and pc companion too with locked and unlocked bootloader.
I think the screen is work fine because sometimes after flash a firmware and I turn off the phone first the Sony boot logo is appear but after that nothing happen.
Is there anything else I can do, or is it hard-bricked?
Sorry for my bad English.
I heard you already unlocked your bootloader. How if you install any recovery and try boot onto it. If it success, try install any custom rom via recovery. Let me know the result.

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