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Please read this if you considering unlocking the boot loader or rooting your phone.

Important information

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.

http://developer.sonymobile.com/wp/2011/03/29/unlocking-the-boot-loader-in-the-new-xperia%e2%84%a2-smartphones/

http://developer.sonymobile.com/wp/2011/04/14/option-to-unlock-the-boot-loader-now-available-for-advanced-developers/

http://developer.sonymobile.com/wp/2011/09/28/sony-ericsson-supports-independent-developers/

Best regards
Sony Xperia support team

{GUIDE} How to Install Jelly Bean , ICS ( Ice Cream Sandwich) and Gingerbread on Xperia™ Smartphones, as well as root them

Unregistered user
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Message 401 of 1,189
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Message 401 of 1,189

Re: {GUIDE} Install ICS ( Ice Cream Sandwich) on Xperia™ Smartphones, Root and Downgrade to Gingerbread

i tryied to flash 4.0.3 kernel but i have this log.

04/025/2012 13:25:40 - INFO  - <- This level is successfully initialized

04/025/2012 13:25:41 - INFO  - Flashtool Version 0.8.4.0 built on 2012-06-02 11:54:12

04/025/2012 13:25:41 - INFO  - You can drag and drop ftf files here to start flashing them

04/025/2012 13:25:47 - INFO  - Device disconnected

04/026/2012 13:26:02 - INFO  - Selected MT11i_4.1.A.0.562_Nordic_1253-1755.ftf

04/026/2012 13:26:02 - INFO  - Preparing files for flashing

04/026/2012 13:26:02 - INFO  - Please connect your device into flashmode.

04/026/2012 13:26:22 - INFO  - Flash canceled

04/026/2012 13:26:32 - INFO  - Selected MT11i_4.1.A.0.562_Nordic_1253-1755.ftf

04/026/2012 13:26:32 - INFO  - Preparing files for flashing

04/026/2012 13:26:32 - INFO  - Please connect your device into flashmode.

04/026/2012 13:26:39 - INFO  - Device connected in flash mode

04/026/2012 13:26:39 - INFO  - Opening device for R/W

04/026/2012 13:26:39 - INFO  - Reading device information

04/026/2012 13:26:40 - INFO  - Phone ready for flashmode operations.

04/026/2012 13:26:40 - INFO  - Start Flashing

04/026/2012 13:26:40 - INFO  - Flashing loader

04/026/2012 13:26:42 - INFO  - Loader : S1_Loader_Root_773f - Version : R4A066 / Bootloader status : ROOTABLE

04/026/2012 13:26:42 - INFO  - Flashing kernel.sin

04/026/2012 13:26:45 - INFO  - Ending flash session

04/026/2012 13:26:45 - INFO  - Flashing finished.

04/026/2012 13:26:45 - INFO  - Please wait. Phone will reboot

04/026/2012 13:26:45 - INFO  - For flashtool, Unknown Sources and Debugging must be checked in phone settings

04/026/2012 13:26:45 - INFO  - Device connected in flash mode

what is the problem? (of course i have debug on and unknown sources on)

Forum Legend
Message 402 of 1,189
241 Views
Message 402 of 1,189

Re: {GUIDE} Install ICS ( Ice Cream Sandwich) on Xperia™ Smartphones, Root and Downgrade to Gingerbread

Atomico what problem are you facing ?

Because log is all fine

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Unregistered user
Not applicable
Message 403 of 1,189
241 Views
Message 403 of 1,189

Re: {GUIDE} Install ICS ( Ice Cream Sandwich) on Xperia™ Smartphones, Root and Downgrade to Gingerbread

i got the same log, but my pro wont boot after very long time. try to flash kernel to 4.0.3 on my xperia pro using kernel from neo. Now try to repair it via update service.

Highlighted
One time poster
Message 404 of 1,189
241 Views
Message 404 of 1,189

Re: {GUIDE} Install ICS as well as root Arc S , Ray and Neo V

yo bro mind that u help me?im using lt15i can i do this for it?i cant wait for the ics from sony so i feel wanna maually update by myself..i downloaded lt15i 4.1.B.0.431 so what the next step??

Forum Legend
Message 405 of 1,189
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Message 405 of 1,189

Re: {GUIDE} Install ICS as well as root Arc S , Ray and Neo V

See the first page of this guide and follow the steps

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Visitor
Message 406 of 1,189
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Message 406 of 1,189

Re: {GUIDE} Install ICS ( Ice Cream Sandwich) on Xperia™ Smartphones, Root and Downgrade to Gingerbread

Is it normal that Xperia Neo overheats after installing ICS?

Forum Legend
Message 407 of 1,189
241 Views
Message 407 of 1,189

Re: {GUIDE} Install ICS ( Ice Cream Sandwich) on Xperia™ Smartphones, Root and Downgrade to Gingerbread

it shouldn't overheat

For better experience format your SD card and resitall ICS using PC Companion or SUS

But backup contacts and other important stuff before formatting and reinstalling

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One time poster
Message 408 of 1,189
241 Views
Message 408 of 1,189

Re: {GUIDE} Install ICS ( Ice Cream Sandwich) on Xperia™ Smartphones, Root and Downgrade to Gingerbread

dude is it safe to get firmware through wotanserver?

Visitor
Message 409 of 1,189
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Message 409 of 1,189

Re: {GUIDE} Install ICS ( Ice Cream Sandwich) on Xperia™ Smartphones, Root and Downgrade to Gingerbread

OK, but how should I format?
I know for erasing all data from SD (option in phone settings, but that isn't formating), or should I format from my laptop (if so, can you please tell me which type should I choose (NTFS or FAT32)). Thanks.

One time poster
Message 410 of 1,189
241 Views
Message 410 of 1,189

Re: {GUIDE} Install ICS ( Ice Cream Sandwich) on Xperia™ Smartphones, Root and Downgrade to Gingerbread

Thanx for your reply...

but can you tell me what exactly i hav to edit in build prop??