Downgrade Xperia Z1 - Xperia Z1 Q&A, Help & Troubleshooting

I have received the new update from sony 14.5.A.0.270 but i feel it so laagy
Is there any way to downgrade without losing warranty :banghead:
And sorry about my english
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Yeap. Just download kitkat firmware and flash with Flashtool
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That will not remove warranty .. Are u sure ....
Cause i have just bought it from week ago
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Yeah. You won't lose warranty by using flashmode
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Where can i download flashtool
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abdo.war said:
Where can i download flashtool
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Go here: http://www.flashtool.net/index.php
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Thanks a lot
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Same question here but I have 6919 lock bootloader can I downgrade to Kk 4.4.4 using flashtool without bricking?
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sorullo_xgrx said:
Same question here but I have 6919 lock bootloader can I downgrade to Kk 4.4.4 using flashtool without bricking?
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Yeah, mate. You will use flashmode, which do not require your bootloader to be unlocked. Just download a .ftf for your 6919 and flash with Flashtool using flashmode
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Related

.434 stock system apps

Could please someone provide me all the system/app files from the .434 firmware? I've deleted too many to remember and I need to have all of them so I can have .253 OTA update done. Thanks
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Why don't you just flash 434 with flashtool and root again?
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Dreiundachzig said:
Why don't you just flash 434 with flashtool and root again?
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Don't I lose my app data after flashing? I don't want set or install everything again :thumbdown:
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You can untick data. You won't lose your apps.
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[help] root xperia z 10.4.1.b.0.101

How Can i root???
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xdaorxan said:
How Can i root???
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This has been answered so many times..... If your bootloader is unlocked and you have a recovery just flash the supersu zip. If your bl is locked, downgrade to 4.2.2, root it and update ota to 4.3
How can i downgrade?
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Get a 4.2 FTF from the general section (use the search function) and flash it with Flashtool.
www.flashtool.net
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I found only 4.3 versions on the site.
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And my phone version is C6602
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This took me literally 10 seconds to find.
http://forum.xda-developers.com/showthread.php?t=2573610
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kingvortex said:
This took me literally 10 seconds to find.
http://forum.xda-developers.com/showthread.php?t=2573610
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Thanks.I already downloaded it.If i flash my phone and root,then can i update my phone with ota (to 4.3)? Will root keep?
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If OTA is successful, then you should keep root.
Be warned, though, that the OTA fails for some people including myself. I couldn't update via OTA and had to unlock my bootloader to root.
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kingvortex said:
If OTA is successful, then you should keep root.
Be warned, though, that the OTA fails for some people including myself. I couldn't update via OTA and had to unlock my bootloader to root.
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Thanks.So can i flash rooted stock rom (4.3)?
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Yes, if you downgrade and root then you can flash a prerooted rom.
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Yeah but I'm trying to downgrade and can't figure it out! All of the 10.3.1.A.2.67 are for spain it's saying.
EDIT: I think I might have have found it actually.
EDIT: NVM I can't figure it out!!!!!!!!!
---------- Post added at 11:07 PM ---------- Previous post was at 10:56 PM ----------
How do I go about downgrading????
dude read this post http://forum.xda-developers.com/xperia-z/development/stock-update-to-10-4-1-b-0-101-t2643898 I read it also works on c6602 give it a try
Thanks everyone.Can i backup only with Pc companion?
and Advice me for rooted rom (4.3)
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What about root 4.4.2 !

How can i root c6603 with unlocked and locked bootloader in Android 4.4.2 and install twrp recovery
Thanks a lot
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Use the search. This is asked daily. Searching is No. 1 on the list of forum rules.
If your bootloader is unlocked, flash a kernel with a recovery. If your bootloader is locked, downgrade and root.
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kingvortex said:
Use the search. This is asked daily. Searching is No. 1 on the list of forum rules.
If your bootloader is unlocked, flash a kernel with a recovery. If your bootloader is locked, downgrade and root.
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dragonnet_86 said:
How can i root c6603 with unlocked and locked bootloader in Android 4.4.2 and install twrp recovery
Thanks a lot
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You guys avatars look the same:laugh:
Btw. Is kingvortex said :good:
Hahaha
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dragonnet_86 said:
Hahaha
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:laugh:

[Q] 4.4.4 full root

Hi
I updated and rooted through cwm but I did not get full root..My adaway does not work and other system related.. How to fix this easily?
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HellRoot said:
Hi
I updated and rooted through cwm but I did not get full root..My adaway does not work and other system related.. How to fix this easily?
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Click to expand...
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You updated binaries in supersu?
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funky0308 said:
You updated binaries in supersu?
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Hi..
I downloaded the flashable zip with the newest version.. There is no such option.
Titanium backup works but not adaway
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funky0308 said:
You updated binaries in supersu?
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My system is read only...
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Why don't you ask on dev thread?
Guys who built root tool could help you.
If you have used easy root ask there, if community root tool ask there...
Is there any confirmation full r/w is working on latest build?
Maybe you have to downgrade, root and flash prerooted rom...
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---------- Post added at 08:40 PM ---------- Previous post was at 08:35 PM ----------
HellRoot said:
My system is read only...
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Click to expand...
Click to collapse
Try to use root browser and don't forget to allow supersu rights when system ask for them...
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Same problem here...
Read this post http://forum.xda-developers.com/showthread.php?p=53839027
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Plz can i know how u rooted 4.4.4 am unable to get root till now
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Look in the cross device development section for the newroot method
gregbradley said:
Look in the cross device development section for the newroot method
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Could you put a link?
http://bit.ly/1lZauvS
darkylight said:
Plz can i know how u rooted 4.4.4 am unable to get root till now
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Hi
I just flashed su through cwm...
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djg269 said:
Same problem here...
Read this post http://forum.xda-developers.com/showthread.php?p=53839027
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Thanks..
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DIfference between CE1 CE2 CE3

CE-> Central Europe
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piponxs said:
CE-> Central Europe
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?
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funky0308 said:
?
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I guess he mean of the Xperia update checker, there are CE1,CE2,CE3 of the Z1

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