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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
2012-07-07 09:24 PM
Hi everyone, i made a tutorial on how to root 4.0.4 (ICS) on active...
Just follow the easy steps below, but be carryful, i am not resonsible for any damage on your phone so do it on your own risk! Ofcourse i will be able to help.... feel free to comment and give feedback!
Good luck rooting
*Download Flashtool (the windows program we are going to work with).... you can find download link here:
And install it...
* If you have ICS download this:https://hotfile.com/dl/162560090/00fcfdc/Xperia_Active_(ST17i)_4.0.2.A.0.42_CE.ftf.html
And send it to C:\Flashtool\firmwares.....
Open Flashtool, click on the lightning icon, select flashmode... select flash 4.0.2.a.42 firmware and follow the instructions on the screen....
* BOOT up your phone, enable "USB DEBUGGING, "UNKNOWN SOURCES" and connect your phone to your pc in the "MSC" mode...
Open flashtool and click on the "unlocked lock icon" (one step right from the lightning icon)... it will root your GB.
*Download this file: http://www.mediafire.com/?b4sxp7a3i8gc48i and extract it to an empty folder, run "01-local-prop" and follow the instructions...
when thats done boot your phone up and Flash ICS like you did with gb (ICS FTF.download link:http://www.mediafire.com/?d00i7nzt75l2m45 ) Warning!!! uncheck "wipe data" on the flashing for ICS, othewise your phone will die!!!
Then run "02-push-root-files" and follow the instructions....
when that is done reboot your phone and you have official ICS 4.0.4 and root!!
Please comment if you have a porblem and i"l find the solution, or just give a feedback if it worked well
!!!GREETINGS FROM SWEDEN!!!
2012-07-08 05:34 PM
Very good post, i confrunted myself with this problem and it was kind of difficult but with this post is more simple.
2013-09-12 11:48 PM
Can i still update android with all this rooted and all i did all as said in tutorial and i have a mesage in my notification bar that new version of android is available and can i still update but not lose root im rookie at this field
2013-10-03 07:52 PM
It worked for me! The link to the Xperia-Root-file in step 4 is dead, but i found it on http://www.mediafire.com/download/vrlkpgip1ilp78b/Xperia-ROOT.rev3.zip
I don't know, if I am able to update further to 4.1.B.0.587, without lossing root, but I will let you know if I try.
2014-03-12 11:08 AM
When flashing ics in step 2, should I also untick wipe data? I'm working from a 4.1.b.0.587 build and flashtool is not able to complete the task. Thanks.
2014-03-27 06:59 AM
I'm tying to root but when i run Flashtool, there's a window that says "Wait for Flashmode" and stays there. My device is off and connected to my laptop, debugging is on, unkown sources is on and MTP is off, on the main Flashtool screen says "For 2011 Devices, be sure you are not in MTP mode".
What could be the problem?