STEP 1: Install SIM into your iPhone.
STEP 2: APN Population (For Data):
- Enable Network Carrier Settings.
- Go to Settings > Cellular > Cellular Data Network:
Make sure that "Use Carrier Settings" is toggled to disabled.
Enter the settings as follows:
Cellular Data - APN: globaldata
MMS - APN: globaldata
MMSC: http://mms.mobileuc.global/
MMS Proxy: 37.18.129.98:8080
Personal Hotspot - APN: globalhotspot
STEP 3: VoLTE Enablement on the Device:
To use VoLTE there are some device settings which need to be confirmed. These may or may not already be set appropriately.
- Go to Settings > Cellular > Voice & Data:
Ensure that: 4G or LTE is Selected (Checked) and VoLTE is Enabled (Slider).
STEP 4: Other Things to Confirm (May already be set correctly, but verify):
Network Selection is Automatic:
Go to Settings > Cellular > Network Selection
Ensure that: Automatic is Enabled (Slider)
STEP 5: Restart Phone.