Moved on from an iPhone? Make sure you don’t miss any messages
iMessage is a handy iPhone feature but not switching if off when you switch to a non-Apple phone can mean you won’t get TXT and PXT from your iPhone-using friends.
Ensure your phone is connected to the internet (3G/4G or Wi-Fi) so that the changes will sync with your Apple ID.
Go into ‘Settings’.
For ‘iMessage’, move the slider to ‘Off’.
Go to Apple's site to remove iMessage:
Make sure you have your new phone with you, then:
A confirmation code will be sent to via TXT. Enter the code and click 'submit' to deregister iMessage.