Go to Settings > Connections > Mobile Networks > Access Point Name

The Combined Data and MMS settings are listed below:

SMSC: +61418706275

APN: mdata.net.au

Proxy: (blank)

Port: (blank)

Username: (blank)

Password: (blank)

Server: (blank)

MMSC: http://mmsc.mdata.net.au:8003

MMS proxy: 10.1.1.180

MMS port: 80

MMS Protocol: WAP 2.0

MCC: 505

MNC: 01

Authentication: (blank)

APN type: default,dun,supl,mms