Nokia C1-01 shows network but during call no network

[pandit]

problem in C1-01, shows network but during call no network.
I have changed PA & other related stones, flashed phone but still the
same.........

 

[Shikderg]

problem in C1-01, shows network but during call no network.
I have changed PA & other related stones, flashed phone but still the
same.........

its xgold cpu no solution this time

 

[Sukh007]

change clockpuls osilator..99%

 

[deeptamu]

show pic sir clockpuls osilator ????????