AT&T U102AA User Manual page 72

·Restart your phone by pressing and holding the End/Power key.
·If you are unable to turn the phone off, remove and replace the battery then turn the phone
on again.
My phone turns off by itself
·Check that your screen is locked when you are not using your phone, and make sure the
End/Power key is not mis-contacted due to unlocked screen.
·Check the battery charge level.
My phone cannot charge properly
·Make sure that your battery is not completely discharged; if the battery power is empty for
a long time, it may take around 12 minutes to display the battery charger indicator on the
screen.
· Make sure charging is carried out under normal conditions (0°C (32°F) to +45°C (113°F)).
·When abroad, check that the voltage input is compatible.
My phone cannot connect to a network or ''No service'' is displayed
· Try connecting in another location.
· Verify the network coverage with your service provider.
· Check with your service provider that your SIM card is valid.
· Try selecting the available network(s) manually.
· Try connecting at a later time if the network is overloaded.
My phone cannot connect to the Internet
· Check that the IMEI number (press *#06#) is the same as the one printed on your
warranty card or box.
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