Hi Neilc. My name is NET10 Ashley. Please update the APN setting on your phone.
Select “Cellular Data Network”
The following fields will appear:
Username: leave this field blank
Password: leave this field blank
MMS Proxy: mms2.tracfone.com:80
This IP Address must include the MMS Port; otherwise it will not work on the iPhone.
MMS Max Message Size: 1048576
MMS UA Prof URL: do not make any changes to this field
Make sure to delete the current APN on your phone and reboot.
Try to send a picture message and provide us the outcome.