problem with 6.5.5 Rom

[Guest MaMsAnA]

hi

i upgraded my omnia lite rom to 6.5.5. from russian link that was eng.fix3

it was good for 2 or 3 days but after that the problems start.

when phone receive a call while its in vibrate or vibrate + ring، the vibration continue for ever that i must soft reset

touch sensivity is awful with this rom

somtimes i cant set ringtone

and...

is there any new rom?

i mean new rom that fixes this bug?

if not how can i downgrade to orginal rom?

my current version is jc2

please help i totally cant use my phone

thanks alot for helping