33
The signal
strength is not
strong enough or
your phone is
often off line.
• The antenna is in a good condition.
• Move close to a place with strong signal
strength.
Your phone
displays "No
service found",
"Service
unavailable" or
"Network
problem".
• You are in an area with very weak signal or
outside your service provider's network
coverage (in a tunnel or surrounded by
buildings). If so, move to another area and
try again.
• Do not utilize the service option without
obtaining authorization from your service
provider.
Содержание M635
Страница 10: ...8 Inserting the Battery 2 ...