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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
2012-07-24 10:13 AM
2012-07-24 10:19 AM
It's for every 2011 Xperia
Go through it once again
I have added the pure kernel for Xperia Pro as well. So now users won't face problems in flashing the kernel only from the rom
2012-07-24 10:46 AM
I have gone through that, in step 1 there is no Kernal specificlly mentined for Xperia Pro. So for that which kernal to be used. All other users kernal is given that is link to MT11i kernal, is this ok?
2012-07-24 10:48 AM
Since 4.0.3 was not released for xeria pro that;s the reason there is no other kernel
You have to flash the kernel that states "all other users"
2012-07-24 10:56 AM
And what about that mentioned in step 4,
Arc S, Arc Ray , Neo and Neo V, Mini, Pro, live with walkman, Active users Flash the respective kernels (Step 2 and 3). Now no need to follow the steps further. Rooting complete
I have to proceed to step 5 and 6 or not?
2012-07-24 11:00 AM
2012-07-24 11:09 AM
Step 5 is last for you
You have to flash the 4.0.4 kernel
download the 4.0.4 kernel for pro given in step 5 and flash it ( flashing procedure same as step 2-3 )
do not worry, feel free to ask anything