Apple OS (iOS)

iOS все версии по 6-ую включительно:

1. Settings – General – Cellular Data Network
2. APN – internet
3. mms APN – mms
4. MMSC: http://mms

iOS 7:

1. Settings – Cellular – Cellular Data Network
2. APN – internet
3. mms APN – mms
4. MMSC – http://mms