User Manual (user Manual) (ver.f4) (English)
Page 126
... in a tunnel or surrounded by buildings). Move and try again. • You are trying to connect. No network coverage." Important!: Caution, if you perform a manual Hard Reset, the storage and setting is also initialized. Problem Description Solution "Invalid or missing SIM card. or "Message sending failed" displays • The network connection was... if installed. Contact the service provider for further details. 123 your device. You Check that the SIM card was lost. General Problems To perform a manual Hard Reset, power off the device.
... in a tunnel or surrounded by buildings). Move and try again. • You are trying to connect. No network coverage." Important!: Caution, if you perform a manual Hard Reset, the storage and setting is also initialized. Problem Description Solution "Invalid or missing SIM card. or "Message sending failed" displays • The network connection was... if installed. Contact the service provider for further details. 123 your device. You Check that the SIM card was lost. General Problems To perform a manual Hard Reset, power off the device.