ZTE Corporation ZTEMF668 Manuale Utente
23
The Modem
cannot connect to
the Internet when
abroad.
You don't have roaming
enabled on your plan.
The computer
soundcard is disabled
or on low volume.
The alerts are muted.
Consult you're your service pro-
vider before you go overseas
to enable roaming.
Check the audio card and adjust
the volume.
Navigate to Settings > Alert and
unmute the alerts.
No warning tone.
FAQ & Answers
Problem
Description
Possible Causes
Suggested Solution