E28 E2831, User Manual

Page: 107 / 109

105
SMS is set incorrectly.
Contact your network operator and get the
correct settings.
SMS overflows Delete some short messages.
The mobile phone of the
receiver fails to support
SMS or is set incorrectly.
Inform the receiver to take a corresponding
measure.
Network overloads. Send it later.
Poor SIM card contacts.
Take out the SIM card and clean the dirt in the
contact point, and then place back it again.
Use an outdated 5V SIM
card.
Only an up-to-date 3V SIM card can be used.
SIM card doesn’t work.
Check whether the SIM card is damaged by your
network service provider.
Owe or pre-paid has
expired or been used out
Contact your network service provider and
recharge it.
Cannot send or
receive SMS.
Signal is too weak or
there is no signal.
Network coverage is not enough or network fails.
Move to a wide area and retry.
MMS is set incorrectly.
Contact your network operator and get correct
settings.
Data service is not run.
Apply for GPRS service from your network
operator.
Storage space is full Delete part of MMS.
The mobile phone of the
receiver fails to support
MMS or is set incorrectly.
Inform the receiver to take the corresponding
measure.
Network overloads. Send it later.
Poor SIM card contacts.
Take out the SIM card and clean the dirt in the
contact point, and then place back it again.
Cannot send or
receive MMS.
Use an outdated 5V SIM
card.
Only an up-to-date 3V SIM card can be used.