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Troubleshooting
Problem
Cannot turn the power on.
Cannot charge the battery.
Cannot make or receive
voice and video calls.
Cannot use the Web.
Cannot use SMS and MMS. • If the
166
Possible Causes and Remedies
• Make sure the battery pack is inserted correctly (page 24).
• Make sure the battery is charged (page 25).
• Make sure the battery pack is inserted correctly (page 24).
• Make sure the connectors or contacts of the AC adapter and battery pack are not dirty (page 25).
• If the
indicator appears on the display, 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 134).
• A video call can only be made or received in areas with 3G-network coverage. Make sure the
indicating you are in an area with 3G-network 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 22).
• If the
indicator appears on the display, enter your security code (page 22) to cancel the phone lock (page 139).
• Make sure your phone is not set to reject calls (page 139) or divert calls (page 36).
• If the
indicator appears on the display, cancel flight mode (page 134).
• Check your subscription status. Contact your service provider.
• The network settings may be incorrect. Check the network settings (page 142). For details on the network settings,
contact your service provider.
indicator appears on the display, cancel flight mode (page 134).
• If the
indicator appears on the display, delete messages no longer required (page 100).
• Check your subscription status. Contact your service provider.
• Make sure the service centre number (page 104) is correct. For details on the service centre number, contact your
service provider.
or
indicator for
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