Telstra MF821 User Manual v1.0 Page 16 of 22
Problem
Possible Causes Suggested Solution
Data
connection
failed.
You have no
network
coverage.
Try moving location
until you get good
reception.
The modem
cannot connect
to the internet
when overseas
You don’t have
international
roaming
enabled on your
plan.
Consult your service
provider before you
go overseas to
enable roaming.
No warning
tone
The PC
soundcard is
disabled or on
low volume
Check the audio card
and adjust the
volume.
The microSD™
card cannot be
read or is not
found.
Re-insert the
microSD™ card.
The maximum
capacity is
32GB SDHC
card
Try another
microSD™ card and
make sure the
capacity and format
is correct.
