- Locate your APN
- Tap ‘Settings’
- Tap ‘More’
- Tap ‘Mobile Networks’
- Tap ‘Access Point Names’
- Tap ‘New APN setting (or + sign)’Tap ‘More’
- Set up your APN
- Name: PM
- APN: sp.mb.com
- Proxy: Leave blank
- Port: Leave blank
- Username: Leave blank
- Password: Leave blank
- Server: Leave blank
- MMSC: http://aliasredirect.net/proxy/mb/mmsc
- MMSC proxy: 74.49.0.18
- MMS port: 80
- MCC: 302
- MNC: 220
- Authentication type: Leave blank
- APN type: Leave blank
Note: when you put in 74.49.0.18, I suggest you include 80 like this 74.49.0.18:80. I have found doing this on every flip phone I have had that this always works (combining MMSC proxy with port).
You can take a look here, this is a document I made for some of my own flip phones and some carriers I've gotten to work on them.