donno y...its happening from couple of months....my phone always hung up....and my phone takes it time(4-5 hrs this time its more than a day) to be normal. no buttons will work,,,, tried to hard reboot by holding the power button but in-vain....thats not helping out.... when i connect to my laptop a error pops up from PC companion "Error connecting ur phone..reboot the mobile and reconnect" Any suggestion on this.... Thanks alot
Standard answers...Try to reinstall the OS again and test it with minimal application. If you still continue to experience issue, might be something related to hardware and you might need to bring to a service centre to repair the phone.