hi gurus pf BB world..

this is my 2nd post of helps. revived my nuked 9900. with simple installe using software up date in the website. just took me 30min or so.
(any question about my nuked 9900 fell free to ask) ty

heres my prob. my other phone 9790. lost signal. tried to update it to the latest OS. still
no effect.
change sim to other phone, its works. when i put it back it wont.

hope to hear soon guys. ASAP!!

help needed.

thanks BBOS.. ! GODSPEED!