[neo_rambo]

First go to your start>settings>power. Uncheck both boxes Power off boxes for external and battery. Take your cover off. Remove the battery completely. Put the battery back in. Once it reboots hit the power button to put your phone into sleep mode. Then try to call yourself. Your phone should wakeup to respond. Problem fixed, however, when do you know that your phone is missing calls in order for you to do this step?