u need to re-install the OS, if its under warranty go to blackberry service center. if they r able to fix it then its good if not then they will a certificate which u will have to submit to the shop from where u had purchased it & they will provide u with a new handset without any cost. PLEASE TAKE BACK UP OF UR DATA.
u need to re-install the OS, if its under warranty go to blackberry service center. if they r able to fix it then its good if not then they will a certificate which u will have to submit to the shop from where u had purchased it & they will provide u with a new handset without any cost. PLEASE TAKE BACK UP OF UR DATA.