User's Manual

306 Appendix
Troubleshooting
Problem Possible Causes and Remedies
Cannot turn the power on. • Make sure the battery pack is inserted correctly (page 28).
• Make sure the battery is charged (page 29).
Cannot charge the battery. • Make sure the battery pack is inserted correctly (page 28).
• Make sure the connectors or contacts of the AC adapter and battery pack are not dirty (page 29).
Cannot make voice and video calls. • If the indicator appears on the display, a call cannot be made because you are in a location where a
signal cannot reach your phone or that is out of the service area. Move to a location where a signal can
reach your phone or that is in the service area.
• If the indicator appears on the display, cancel flight mode (page 236).
• A video call can only be made in an area with 3G coverage. Make sure the indicator for indicating you
are in an area with 3G coverage appears on the display in standby mode.
• If a PIN code is incorrectly entered three times in a row, the PIN lock is set and a call cannot be made
because access to the SIM card is blocked. Enter the PUK code to cancel the PIN lock (page 26).
• If the indicator appears on the display, enter your security code (page 38) to cancel the phone lock (page
249).
• If the indicator appears on the display, press and hold to cancel the key guard (page 252).
Cannot receive voice and video calls. • A video call can only be received in an area with 3G coverage. Make sure the indicator for indicating
you are in an area with 3G coverage appears on the display in standby mode.
• Make sure your phone is not set to reject calls (page 243) or divert calls (page 49).
Cannot hear the other party. • Check the volume level of the earpiece/speaker (pages 42, 87) and/or move to a quiet location.