Your Samsung phone will normally automatically set up MMS when you insert a SIM card. It is also possible to manually set MMS on your device. Follow these steps to learn how.
From the home screen, swipe up to open menu.
Tap Settings.
Tap Connections.
Tap Mobile networks.
Tap Access Point Names.
Tap a SIM card.
Tap Add.
Under Name, enter Skinny Data
Under APN, enter wapaccess.co.nz
Under Username, leave blank.
Under Password, leave blank.
Under MMSC, enter http://mms.mmsaccess.co.nz/
Under MMS proxy, enter 210.55.11.73
Under MMS port, enter 80
Under MCC, enter 530
Under MNC, enter 05
Under Authentication type, tick leave blank.
Tap APN type.
Enter mms (note: in lower case) and choose OK.
Tap the options symbol.
Tap Save.
To finish the process and activate the settings, you need to restart the device. Your phone will then be configured to use MMS.