Problem With Galaxy s2

[AC Question]

I downloaded a firmware from androidfirmwares.net (4.1.2)
I added the firmware using odin.
the boot was successful but Unfortunately errors keep on coming and the phone keeps on restarting.
eg-Unfortunattely,Help has Stopped.
Pls Give the answer.
Thnks

 

[Golfdriver97]

You downloaded the proper file for your exact model, correct?

 

[Rukbat]

And, assuming you did download the correct firmware, did you do a factory reset after installing it?