: Navigate to General and then select Cellular (or Network on older iOS versions).

To set up , you need to manually enter the configuration details into your Cellular Data settings. This ensures your mobile data and MMS (picture messaging) work correctly on the TPG network. Step-by-Step Configuration

: Tap on Cellular Data Network . If you do not see this option, your carrier may have locked these settings, and you should try connecting to iTunes to check for a "Carrier Settings Update."

is a . As many Australian telcos (including those TPG uses) have decommissioned their 3G networks, you may find that the device can no longer connect to mobile data regardless of the APN settings.

: Ensure Cellular Data and Data Roaming (if required by your specific TPG plan) are toggled to ON .