, sounds like you are running into some software error. Try this option suggested by Microsoft to [http://www.microsoft.com/en-us/mobile/support/product/lumia520/troubleshooter/?categories=Other,Unresponsive&topic=FA141447&showRepair=&showContact=&topic2=FA140265&topic3=FA142987#topic3|recover your software.] This should work for as long as you are not having a partition error on your memory.
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Ajaybir singh, sounds like you are running into some software error. Try this option suggested by Microsoft to [http://www.microsoft.com/en-us/mobile/support/product/lumia520/troubleshooter/?categories=Other,Unresponsive&topic=FA141447&showRepair=&showContact=&topic2=FA140265&topic3=FA142987#topic3|recover your software.] This should work for as long as you are not having a partition error on your memory.
, sounds like you are running into some software error. Try this option suggested by Microsoft to [http://www.microsoft.com/en-us/mobile/support/product/lumia520/troubleshooter/?categories=Other,Unresponsive&topic=FA141447&showRepair=&showContact=&topic2=FA140265&topic3=FA142987#topic3|recover your software.] This should work for as long as you are not having a partition error on your memory.