hi, i flashed my galaxy s2 i777 to JB 4.1.2 with odin and when it restarted, it didnt recognize the sim card, then i checked and the IMEI an Baseband were gone, i have a screenshot with the IMEI it had, but i didnt backed EFS, i didnt even know that i had to, when flashing, its not the first time i flash, i had 4.0.3 then flashed to 4.1.2, and then i had a problem and flashed to 4.3 then it got stuck on rethink possible screen so i flashed back to 4.1.2, and now im without IMEI o BASEBAND, like this it doesnt recognize any sim card, please help, ive already searched in the forum but didnt find a working solution for me!
Thanks!
Thanks!