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[Q] flashtool problem

since that I asked a question about rooted
but I still don't want to unlock bootloader
so I try to flash it back to 4.3 jellybean
I tried many times but everytime after I flash the ftf it goes into a bootloop
what happen? do I need to wipe data and cache?
or I need to upgrade my flashtool?
Moreover could someone upload me a pre rooted ftf?:good:

Download fastboot and ftfs from mega

[Q] [D6643]How to downgrade from 23.4.A.1.232?

How to downgrade from this version?? i commited an error on upgrading it via OTA, and, i lost my root, XZRecovery and all.. i do the search on Z3/general but cant find anything talking about D6643.. only for the other models.. can someone help me!? :/

If you really need to downgrade, Google the rom u want, just flash it, and you're done, its always there in Google

When you have root and recovery you NEVER do an ota update!
What you can try:
Flash rootable firmware as you had before with flashtool, download it via xperifirm. Then root and install recovery. After that install the rom you have been on before ota. When you do this all and never wipe data partition, you maybe keep your files and apps.
When flashing rootable ftf you must uncheck data wipe. Dalvik and cache can be wiped. Once i did this on my z1 and z3 and it worked. Should work for you too because the whole xperia plattform works mostly the same.

Can't downgrade Z5 E6633 from 32.1.A.1.185 to 32.0.A.5.19 firmware.

I've been trying to downgrade my Z5 E6633 Dual from 32.1.A.1.185 to 32.0.A.5.19 firmware. I flash the 32.0.A.5.19 firmware with Flashtool. I don't get any errors and I get the message that the flash was successful. When the phone reboots it still shows it's using 32.1.A.1.185 firmware. I've tried factory reset , wiping cache, several different 32.0.A.5.19 firmwares. They all say they've flashed successfully, but don't downgrade the firmware. I unlocked the bootloader using Flashtool successfully. Then I tried to re-lock the boot-loader. Again Flashtool shows that the re-lock was successful but the phone is still unlocked. Anybody know why this is happening?
Thank you.

Maybe a driver issue? Wrong instructions? Old Flashtool? And yeah btw you can't dirty flash MM to LP and vice versa. Maybe USB debugging disabled?
These are just suggestions.

Thanks for the suggestions. What do you mean by dirty flash?

XZ bootloop after Oreo update, Xperia Companion's repair don't work

Hi,
My dad recentely upgrade his XZ, but it didn't work and the phone is in bootloop. So I try ti use Xperia Companion to repair it but pass 10% there is a error message and it can't go further...
So my question is can i make a factory reset using a Stock firmware with Flashtool without loosing the TA partition ? (the phone is full stock so the bootloader is lock and my dad want to keep is waranty) (I try some researches but i didnt found any answers about flashing a stock rom with flashtool, all i found is how to flash a custom rom)
Thx,
Valentin

Flashing a FTF will do nothing to the TA partition. You are safe to proceed

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