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Please read this if you considering unlocking the boot loader or rooting your phone.
Please note that you may void the warranty of your phone and/or any warranty from your operator if you unlock the boot loader. You should only unlock the boot loader of your phone if you are an advanced user with good knowledge of the technology and risks involved.
For more information go here http://unlockbootloader.sonymobile.com/
Please also note
The Sony Xperia support team will not be able provide any support, related to unlocking the boot loader or rooting your phone.
We also recommend you to read the below blogposts.
Sony Xperia support team
2012-06-09 07:44 PM
i have another question
i have ICS 4.0.3
If i downgraded it to 2.3.4 , can i use SUS or PC companion to upgrade it agian to ICS ??
my phone is not rooted and the bootloader is locked
2012-06-09 08:44 PM
Yes you can certainly. Once you downgrade, then if you connect your device to PCC or SUS, then it will notify you about the available updates. Update notifications depends on region btw.
And rooting and bootloader has nothing to do with it. But in case if you unlock the bootloader, then to update via PCC or SUS, you need to relock it fast.
2012-06-09 10:26 PM
Hi. I have a slight problem rooting my lti5..
ive successfully upgraded to ICS but when i try to flash the kernal form 4.0.4 to 4.0.3 it doesnt work.
the progress bar in the flashtool just reaches 1% and says that flashing done, device rebooting. but when i check, kernal version its still 4.0.4. I dont know where i went wrong :/
I would really appreciate it if you could help me out
2012-06-10 04:56 AM
when the method will be available to root xperia mini pro having ICS 4.0.4, Kernel 22.214.171.124-perf BuildUser@BuildHost # 1, Build no. 4.1.B.0.431 ?
And can I delete inbuilt facebook app after rooting my xperia mini pro ?
2012-06-10 10:56 AM
stefaca, i really now don't know what to do , did you try with other pc as well ?
Kristian747, this error could possibly be due to 3 things, Final verificatin check , older version of flashool, Defect within the rom,
I will suggest you to follow the instructions on this page.
G-unit990 give me 2-3 days, i will directly put the link to kernels. Would be much easier for all
choughule.prathamesh At present there is no direct method , but it's only pissible by changung kernels and then root
2012-06-10 01:03 PM
Thanks for quick reply ! Can u plz tell approximately how much time it will take for direct method ?
becoz i m new to this rooting and it will be difficult for me to change the kernel and all ? plz guide me
2012-06-10 02:00 PM
Thanks you a lot, I did everything what you mentioned in your post and in that guide, and now, ICS works well !
2012-06-10 08:41 PM
I followed all the steps you have instructed but after flashing, my Ray is still in ICS.
language is in english. i saw the flashing finished. but when i turn on My ray, it's still in ICS.
Helpd please. Thanks
2012-06-10 09:50 PM
Problem: DOWNGRADE RAY - ICS to GB solved =)
I was trying to .62 (dont work)
I tried it with .42 and it worked, without root. Perfect.
2012-06-11 11:42 AM
G-unit990 said :- but when i check, kernal version its still 4.0.4. I dont know where i went wrong :/
Don't worry about that, My LT15i said that too, just carry on and run Doomlords rooting script and then re-flash 404 kernel, It'll be fine.