Please don't forget to hit the "THANKS" button! 
This is the generic and unbranded firmware. The SI is 1265-8787. The CDA customization is 1266-0471.
1.Download the new JB 9.1.A.1.140 from HERE or HERE.
2. Install flashtool.
3. Copy and past the downloaded ftf file from step 1 into the firmware folder of flashtool. The path is typically C:\Flashtool\firmwares unless you chose another directory when installing flashtool.
4. If you haven't already, make sure you run Sony PC Companion (while your phone is connected to the PC) at least once to ensure that the proper phone drivers have been installed.
5. Run flashtool and follow on screen instructions.
6. Please hit the THANKS button!
ENJOY!!
This is the generic and unbranded firmware. The SI is 1265-8787. The CDA customization is 1266-0471.
1.Download the new JB 9.1.A.1.140 from HERE or HERE.
- Download the previous JB 9.1.A.0.489 from HERE or HERE.
- You can download the ICS FW 7.0.A.3.223 from HERE or HERE or
- the old 7.0.A.3.195 ftf file from HERE or HERE or HERE or
- the initial FW version 7.0.A.1.303 HERE or HERE.
2. Install flashtool.
3. Copy and past the downloaded ftf file from step 1 into the firmware folder of flashtool. The path is typically C:\Flashtool\firmwares unless you chose another directory when installing flashtool.
4. If you haven't already, make sure you run Sony PC Companion (while your phone is connected to the PC) at least once to ensure that the proper phone drivers have been installed.
5. Run flashtool and follow on screen instructions.
6. Please hit the THANKS button!
ENJOY!!
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