8250 Sim Card Not Accepted

[kuling]

The Phone Displayed Contact Service after Full Erase and Full Flash the unit display SIMCARD NOT ACCEPTED... Please Bro Help!.. Suggestions please...Thanks and Regards...

[rom]

you must unlock phone after flashing it solve the problim but if not
you must rehot or replace cobba audio ic.

[kuling]

i changed audio ic but the problem is still, "After a few second its displayed Sim Card Not Accepted...".

[jumper_master]

1st do FAID...write pmm...unlock
if same change flash ic...solve