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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
2013-07-30 08:58 AM
Hi, I have rooted my Xperia U and I have not installed any cutom ROM yet...My phone is very slow and hangs most of the time..please give me some inputs on increasing the speed and performance...Thanks in advance..
2013-08-06 10:08 AM
Not sure what options you have with root access but i'm moving your thread to Android development. Hopefully you'll get some answers here.
For general tips on performance also see this thread: http://talk.sonymobile.com/message/440001
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