Zte USB Modem - FAQ: Messaging and Data Connection Failures; Sent Message Failure; Data Connection Failed

26
Problem
Description
Possible Causes Problem Solving
Sent Message
failure.
1. The SMS center
number is
incorrect.
1. Your device is
preconfigured so
it is unlikely that
it will need
changing.
However if it is
missing or
incorrect contact
your operator.
2. The network is
busy or you are in
an area with no
signal.
2. Try later or
move to an area
with a stronger
signal.
Data
connection
failed.
1. You are in the
place where there
is no GSM/ GPRS/
EDGE/ WCDMA/
HSPA (HSUPA)
/LTE network
coverage.
1. Move to an
area with good
signal.
2. The network is
busy.
2. Try later.