ZTE MF75 - Manual (Page 17)

MobiiConnect 4G Manual 17
Settings > Network Settings > APN
The MobiiConnect 4G is preconfigured with default APN for iiNet (Westnet also uses this setting), Internode and
TransACT.
If you need to change this setting, you need to click the Disconnect button first.
Select the correct Profile for your Mobile Broadband Service Provider from the drop-down menu.
If required, click Add New to manually enter a new APN.
Set a Profile Name, enter the correct APN details and then press Save to save your new APN profile.
Click Set as default to save any changes. This will also make the selected APN profile your default
connection setting.