[d1ulove]

I have a bb 8700c the radio signal is on and off.

Any advise from the expert.

[dankarlinski]

Wirelessly posted (White and Nerdy)

When it does this, does it give any message about a "sim card error" or anything close?

Also, please check and update your device to the newest software which is on top of this forum

[d1ulove]

when i insert the sim card show the signal for a seconds then of then on again. No error message show.