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The network connection is lost. Either you are in a radio shadow (in a tunnel or between tall
buildings) or you are outside the network coverage area. Try from another place, try to
reconnect to the network(especially when abroad), check that the antenna is in place if your
mobile has an external antenna, or contact your network operator for
assistance/information.
The display responds more slowly at very low temperatures. This is normal and does not
affect the operation of the phone. Take the phone to a warmer place and try again. In other
cases please contact your phone supplier.
You might be using a charger that was not intended for your phone. Make sure you always
use the UTstarcom authentic accessory shipped with your phone.
This feature is network and subscription dependent. If the network doesn’t send the caller’s
number, the phone will display Call 1 or Withheld instead. Contact your operator for detailed
information on this subject.
Some networks don’t allow message exchanges with other networks. First check that you
16.5.
The network symbol is not displayed
16.6.
The display doesn’t respond to key presses
16.7.
Your battery seems to over heat
16.8.
Your phone doesn’t display the phone numbers of incoming
calls
16.9.
You can’t send text messages
