When i open my browser it bring out uncaught exception:java.lang.NullpointerException nd it will bring out OK under the msg.

When i click on the ok,
It wil bring out App error 523
With a reset msg under it.
Nd after sum seconds the phone wil just off by it self nd it wil reboot itself.

Nd when am browsing with it always hang and it reboot itself all the time.
Pls help me out,this is the 7th month am in this mess.
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