[Q]Lg optimus black freeze problem

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http://forum.xda-developers.com – I am having a problem on my lg optimus black.sometimes it freezes and becomes unresponsive.i have to restart it by picking out battery and insert it again.it happens to me everyday and i cant find a fix.plz help me through this problem.thanks Sent from my LG-P970 using xda app-developers app (HowTos)