hi freind;s i;m facing the same problem !! i use n900 and is working fine more then 2 mounth now the signal is going and coming i did put some papaer and every thing is working for some times and the signal is gone and the sim card logo with the red line appers
i try to update the phone still the same problem !! an body know the sorce ? if is a electrical problem tell me where to look is is software can you explain how to fix it !! thank you