This is the Indian ICS Firmware 6.1.1.B.1.10 for Xperia Sola (MT27i)
I downloaded it from SEUS and packed it using Flashtool..
I would suggest doing a factory reset after flashing...
I did a factory reset..and I suggest you do the same...
Don't forget to hit thanks.
After downloading all the files, extract them to get the ftf, then flash it using flashtool.