Xperia Z3 D6603 Reboot repeatedly after flashing rom - Xperia Z3 Q&A, Help & Troubleshooting

Hi,
I tried to root my Xperia Z3 D6603 with flashtool. I downloaded the Global firmware version 23.0.A.2.93 since my bootloader is locked to root my device. Once flashed, my device boot normally, but it says contacts has stopped and then reboot over and over again. My phone is the Canadian version and i'm wondering if there is something to troubleshoot my problem.
Thank you very much
Michel

download the different stock rom and flash it again

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Sony Xperia S bootloop

hi.
I've recently got Sony Xperia S
unlocked it as it's written on site, and flashed pre-rooted system.img
but after reboot, it's stuck on Sony logo, only showing Xperia logo for first boot
after, it's keeping rebooting.
relocked BL, tried to repair it with SEUS. all went ok, but after reboot it doesnt want to boot again...
please help
Hi, u might try to down load flash tool and download the generic ROM for your model ARC S and try flashing the ROM it might bring it back to life... I received my ARC S today it was updated to the latest ROM so i had to downgrade then rooted it with Super One Click 2.2 then updated to the newest ROM and all is well
All 2011 Xperia firmwares EXCEPT build .62 can be rooted. If your build is .62 you'll have to downgrade to .42

[Q] Flash 5.0.2 on D6603 (unlocked/flashed)

Hi,
i want to update my xperia z3 D6603 to the newest Lollipop 5.0.2 Update.
If I want to do this via PC Companion, but I got an error 2003 that it can't update my phone. I think this is happening because I unlocked the bootloader.
The currently installed version is 4.4.4 (23.0.1.A.5.77). This was installed from a service company, so I don't have any clue how to flash my device to the new lollipop 5.0.2.
Can you tell me what I need for the installation? Is there a complete tutorial for it?
I already downloaded flashtool and found the custom lollipop roms here. Do i just have to go into the flashmode, start the flashtool and flash the new image?
Looking forward to get some help from you
greetings
caelistic
Yes, you're right. Just follow the on screen instructions of flashtool and you should be good to go

Bootloader unkown problem Xperia z3 d6603

hello to everyone if you have had the problem of the "bootloader unkown" here's a simple guide to solve it I tested on my Xperia z3 d6603 but I think worth for each Sony Xperia
1) most likely you will have performed a factory reset you tried relock your bootloader but all this is useless
2) first you need to obviously have drivers and flashtool installed correctly
3) most likely the problem is the version of the firmware so for example I had kitkat so I installed a fw with lollipop
4) Once finished flash fw repeats the process for unlocking the bootloader and everything should return to normal with unlocked bootloader properly and modding possibilities I hope to be helpful

can i flash a d6633 ftf on d6603? temporarily

I had a D6633 device and i just exchanged it with DD6603... i want to flash a prerroted MM rom, the problem is the friend i exchanged it with let it automatically update to MM, so i have to downgraded root and recovery then flash MM prerooted
my question is, it takes sometime to download 1.6 Giga's , and i already had an LP ftf for D6633, obviously network wont work, but is it possible temporarily , flash D6633 root it and recovery, then from recovery flash a D6603 Prerooted rom.
is that possible and wont effect the device?
OK this can be deleted now, download finished , although i might try it as theory sometime...

need help restoring docomo xperia z5 so-01h

hello, im wrongly flash file(kernel?), and now my phone shows as e6653 at flashtool..
phone condition:
1.can boot to twrp,flash,adb mode
2.wont load custom rom(stuck at rom logo)
had tried :
1. companion, missingphoneinfo error
2. flash stock so-01h, this bundle not for your phone, also error with e6653 firmware
3. extract kernel from so-01h firmware, but flash error
dtb not found
please,any solution guys?
no one at here have setool box
:crying:
Get Flashtool 0.9.22.2
Download So-01H FTF available on experifirm
Flash the FTF
TWRP and root will be gone but you will have a working phone wit stock MM
I tried this and worked. Nothing else worked for me. No custom roms or Nougat ftf from anywhere.
If you found any way to install custom roms please let me know too.
Thanks

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