My guess there is a file or application that is corrupted on your phone. As Mr G has suggested upgrade the firmware on the phone, at the very least I would do a hard reset on the phone and install your apps one at a time and see if it happens again. You may identify the offending app this way if it happens again.
__________________ The views I present are that of my own and NOT of any organisation I may belong to.
73 de Simon, VK3XEM. |