How to Install ICS ( Ice Cream Sandwich) on Xperia™ Smartphones, Root and Downgrade to Gingerbread

This is Guide to install official ICS Rom on 2011 and 2012 Xperias

Flashing your mobile is at your own risk,flashing may void your warranty and SONY would be in no way responsible for any damage.

It is suggested to remove sim card and sd card as well as format sd card before installing ICS

Backup everything before proceeding if you wish. Alternatives on How to backup Xperias

Before Flashing: If you are on original firmware ( that came with mobile ) then dial *#*#7378423#*#* in dialer > service info > software info > take a screenshot and keep the screenshot safe for future use

Optional : if you wan't to backup your current fimrware then follow the first post below by 100rabh791

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Install ICS

1) Flashtool Preparation

All Users, download Flashtool and install it

Go to C:/ Drive > flashtool > firmwares > delete everything present and exit

2) Download Official ICS Roms

4.0.3

a) Arc S 4.1.A.0.562 or 4.1.A.0.562

b) Ray- 4.1.A.0.562

After downloading it , extract using Winrar to get the .ftf file

c) Neo V 4.1.A.0.562

4.0.4

Mobile	Link 1	Link 2	Link 3
Xperia S ( LT26)	6.1.A.0.452
Arc S (Lt18)	4.1.B.0.431		4.1.B.0.431
Arc (Lt15)	4.1.B.0.431	4.1.B.0.431	4.1.B.0.431
Neo V (Mt11)	4.1.B.0.431	4.1.B.0.431	4.1.B.0.431
Neo (Mt15)	4.1.B.0.431	4.1.B.0.431	4.1.B.0.431
Ray (St18)	4.1.B.0.431	4.1.B.0.431	4.1.B.0.431
Pro (*) ( Mk16)	4.1.B.0.431	4.1.B.0.431	4.1.B.0.431
Live walkman ( Wt19)	(WT19i)4.1.B.0.431	(WT19a) 4.1.B.0.431
Mini	4.1.B.0.431	4.1.B.0.431	4.1.B.0.431
Mini Pro (*)	Sk17a	Sk17i	4.1.B.0.431
Active	St17i	ST17a	St17

(*) On devices with a hardware keyboard be aware that the layout follows the flashing

if the rom is of .rar type then extract it to get the .ftf file

3) Placing Roms In Flashtool

NOTE: only .ftf files to be placed

Place .ftf file as follow- copy .ftf file to C:/ > flashtool> firmwares > paste

4) FLASHING ( same steps for all users )

Now run flashtool.exe, click on the flashing icon ( left side below "file" option)

Select flashmode > ok

On the left box you must see your firmware name and at the center its components like this

( IMPORTANT) On the very right side mark the following as shown

select ok

Wait for it to prepare. It will ask you to connect your mobile, follow the steps carefully and connect

Once flashing finishes, it would ask you to disconnect your mobile and restart.( It may take several minutes to restart ). and done.

Its your wish if you want to stay on it but i suggest you to repair your phone software using SUS. It will reinstall the original ICS software in your mobile

For that download SUS and follow the onscreen instructions SONY UPDATE SERVICE

FINISHED FLASHING Please letme know how it goes by posting in below

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_______________________________________________________How To Root Your Xperia( only for 2011 Xperias)

Here you go

{Guide} How To Root Xperia™ Smartphone Running ICS or GB ( Ice Cream Sandwich or Gingerbread )

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Downgrading to Gingerbread

There are 2 stes to downgrade

1) Official - Handing in the Xperia at Sony Service center You can request to have 2.3 installed on your phone ( warranty would remain )

2) Unofficial- Flash Gingerbread using Flashtool (your warranty would get void)

Here is how

Remember flashing may void your warranty and you are doing it at your own risk

This is how to downgrade

1)-Download flashtool- Flashtool and install it

Go to C:/ Drive > flashtool > firmwares > delete everything present and exit

2) Use saved rom from step 2) above or download rom

Xperia	Header 2	Header 3	Header 4
Xperia S LT26	6.0.A.3.75	6.0.A.3.73
Xperia P LT22
Xperia U
Xperia Sola

Xperia	4.0.2.A.0.42	4.0.2.A.0.58	4.0.2.A.0.62
Arc S	4.0.2.A.0.42		4.0.2.A.0.62 Link 2
Arc	4.0.2.A.0.42		4.0.2.A.0.62
Neo V	4.0.2.A.0.42		4.0.2.A.0.62
Neo	4.0.2.A.0.42		4.0.2.A.0.62
Ray	4.0.2.A.0.42		4.0.2.A.0.62
Pro (*)	4.0.2.A.0.42	4.0.2.A.0.58	4.0.2.A.0.62
Play	4.0.2.A.0.42		4.0.2.A.0.62
Live with walkman	4.0.2.A.0.42	4.0.2.A.0.58	4.0.2.A.0.62
Mini	4.0.2.A.0.42		4.0.2.A.0.62
Mini Pro (*)	4.0.2.A.0.42
Active	4.0.2.A.0.42

(*) On devices with a hardware keyboard be aware that the layout follows the flashing

if the rom is of .rar type then extract it to get the .ftf file

3) NOTE: only .ftf files to be placed

Place .ftf file as follow- copy .ftf file to C:/ > flashtool> firmwares > and paste

4) Run flashtool> click on the flashing icon ( left side below "file" option),,,Select flashmode > ok

5) left side you must see your firmware name and contents, if you are not able to see contents then use an older version of flashtool ,, on the right side mark boxes as

select ok

6)Wait for it to prepare and it will ask you to connect your mobile, follow the steps carefully and connect flashing will begin and flash

Done