Set up your mobile phone for IMAP email
Set up your mobile phone for MMS
Set up your mobile phone for internet
Use mobile phone as personal Hotspot
Turn data roaming on or off
If you're having problems sending iMessages to a specific number, the error might be at the receiving end.
Try sending an iMessage to another number.
Share this article via email! Just fill in these details and the characters in the box.
Fields marked with * are mandatory.