Nokia 6630 off line message | Nokia 6630 offline

For nokia 6630 offline message displyed :

1. Check simcard (compare with other good one)
2. Check / clean simcard connector
3. If the problem not solved, resolder simcard IC ( r2700)
4. Replace simcard IC (r2700) if needed
5. If the problem not solved, trace simcard circuit or main processor (Rap3G) probably fail.