Apple iOS Internet, MMS Settings visual guidelines

An iPhone, iPad cellular usually sets up APNs automatically, but if you need to enter them manually, here's how.
From the home screen;

1. Tap Settings
2. Tap General
3. Tap Mobile data or Cellular data
4. Tap Mobile data network or Cellular data network
5. Enter the following settings into the onscreen form, without changing any other settings;
   Mobile/Cellular Data:
   APN:
   Username:
   Password:
   MMS
   APN:
   Username:
   Password:
   MMSC:
   MMS Proxy
   MMS Max Massage Size:
   MMS UA Prof URL:
   (As a check, the image below text enter-able fields you should fill)
6. Tap the left arrow at the top three times
7. Press the home button
8. On the status bar at the top of the screen, next to the name of your mobile network, you should now see a data connection indicator 3G, E or o. This means the data connection is live and working.

iOS internet settings visual guide