How to Enter APN Settings Into a Windows Phone

Select Settings
Select mobile+SIM
Select SIM settings
Select add Internet APN
Enter the word APN from ‘Provider Settings’ in the section below under the APN field
Press the save icon
The following settings are for picture messaging MMS and are optional
Select add MMS APN
Enter the word wholesale under the APN field
Enter MMSC from ‘Provider Settings’ under MMSC (URL)
Restart the device