Blackberry curve 8520 Frozen Screen

I have a blackberry curve 8520 yesterday my t button wasnt working on my phone and now today i restarted my phone because the screen froze and now when ever i restart it, the screen comes on and i can see that i have received messages but it asked me to verify the date and time i click ok and nothing happens then a few seconds later the screen just goes black. The light flashes showing that ive got messages and miss calls. I can answer the phone if someone rings me but i cannot make a call myself.

Answer:

try reloading your OS
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