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

Flashing your mobile is at your own risk. Sony would be in no way responsible for any damage.

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

Install Jelly Bean and ICS ( Ice Cream Sandwich )

1) Flashtool Preparation

All users download  Flashtool and install it.

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

2) Download Official Firmwares

4.1.2 (Jelly Bean)

Xperia	4.1.2
Xperia TX	9.1.B.0.411
Xperia T	9.1.A.0.489
Xperia V	9.1.A.0.490
Xperia J	11.2.A.0.21

4.0.3 ( ICS)

a) Arc S  4.1.A.0.562 or 4.1.A.0.562

b) Ray-  4.1.A.0.562

c) Neo V 4.1.A.0.562

4.0.4 ( ICS latest version )

Xperia	1	2	Header 4
Xperia SL (LT26ii)	6.1.A.2.55 / IND	6.1.A.2.50
Xperia S (LT26)	6.1.A.2.50	6.1.A.2.45	6.1.A.0.452
Xperia P ( LT22 )	6.1.B.0.544
Xperia Sola ( MT27 )	6.1.1.B.1.10	6.1.1.B.154
Xperia U ( St25 )	6.1.1.B.1.10
Xperia Go	6.1.1.B.1.10
Xperia Tipo	11.0.A.0.16

4.1.B.0.587 is latest

Xperia	4.1.B.0.431	4.1.B.0.431	4.1.B.0.587  (i )	4.1.B.0.587 (a)
Arc S    (Lt18)	4.1.B.0.431	4.1.B.0.431	4.1.B.0.587
Arc       (Lt15)	4.1.B.0.431	4.1.B.0.431	4.1.B.0.587
Neo V   (Mt11)	4.1.B.0.431	4.1.B.0.431	4.1.B.0.587
Neo      (Mt15)	4.1.B.0.431	4.1.B.0.431	4.1.B.0.587
Ray      (St18)	4.1.B.0.431		4.1.B.0.587	4.1.B.0.587
Pro (*)  ( Mk16)	4.1.B.0.431	4.1.B.0.431	4.1.B.0.587	4.1.B.0.587
Live walkman ( Wt19)	(WT19i) 4.1.B.0.431	(WT19a) 4.1.B.0.431	4.1.B.0.587
Mini	4.1.B.0.431	4.1.B.0.431	4.1.B.0.587
Mini Pro (*)	Sk17a (4.1.B.0.431)	SK17i (4.1.B.0.431)	4.1.B.0.587
Active	St17i / St17	ST17a / St17	4.1.B.0.587

(*) On devices with hardware keyboard, choose the correct layout.

     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

Copy .ftf file to C:/ drive > Flashtool > Firmwares >

4) FLASHING

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

Select flashmode > ok

        You'll see flashtool window similar to this

    

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

Select ok

Let the flashtool prepare. It will ask you to connect your mobile, follow the steps.

Note: on devices with touch navigation keys, hold volume down key instead of back button while connecting your device.

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

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_______________________________________________________How To Root Xperia Smartphones

How to root 2.3 ( Gingerbread ) Xperia™ Smartphones

How to root Ice Cream Sandwich (4.0.3, 4.0.4) (4.1.B.0.587 4.1.B.0.431 4.1.A.0.562)

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Downgrading to/ installing/ flashing Gingerbread

There are 2 stes to downgrade

1) Official - Handing in the Xperia smartphone at Sony Service center.

2) Unofficial- Flash Gingerbread using Flashtool.

Flashing your mobile is at your own risk. Sony would be in no way responsible for any damage.

1)-Download Flashtool And install it

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

2) Download required ROM

Xperia	1	2
Xperia S LT26i	6.0.A.3.75	6.0.A.3.73
Xperia U ST25i	6.0.B.3.184	6.0.B.1.564
Xperia Sola Mt271	6.0.B.3.184

Xperia	4.0.2.A.0.42	4.0.2.A.0.62
Arc S	4.0.2.A.0.42	4.0.2.A.0.62 or 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.0.62
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.0.62
Mini	4.0.2.A.0.42	4.0.2.A.0.62
Mini Pro (*)	4.0.2.A.0.42	OTA
Active	4.0.2.A.0.42	OTA

(*) 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

Let the flashtool prepare. It will ask you to connect your mobile, follow the steps to connect.

Note: on devices with touch navigation keys, hold volume down key instead of back button while connecting your device to flashtool.