Basic Troubleshooting for No Signal / No Networks

Posted by Romel F. Apatan at 6:38 AM Monday, August 9, 2010 Labels:
No network is refer on what provider you have like Smart, Globe, Sun, (Philippines Only)

1. check if your provider is still active ( simcard registration failed)
2. check the antenna if there continuity.
3. check the ic component of the phone like antenna switch, hagar, mjolner,P.A etc..
and below is the sample image of nokia 7210/6610 no signal and pulling out the P.A

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