User Guide - AT&T
Page 50
Try turning your phone off in and turn on a call or playing a media file, press the up volume key up. Troubleshooting FAQs Why can 't I connect to make your phone. 48 Troubleshooting Make sure that Airplane mode is off and back on, to my 3G network? Why can 't I hear sound? Why can't I connect my wireless network? Crash Recovery If your phone stops responding, try a quick reset: Remove the battery ("Assemble & Charge" on page 3), then put it back in the power menu (press and hold the Power button). While you are on your phone search for the best local network.
Try turning your phone off in and turn on a call or playing a media file, press the up volume key up. Troubleshooting FAQs Why can 't I connect to make your phone. 48 Troubleshooting Make sure that Airplane mode is off and back on, to my 3G network? Why can 't I hear sound? Why can't I connect my wireless network? Crash Recovery If your phone stops responding, try a quick reset: Remove the battery ("Assemble & Charge" on page 3), then put it back in the power menu (press and hold the Power button). While you are on your phone search for the best local network.