You want green messages bubbles for everything. Now hop into the Messages app and send some messages to people you know have iPhones to make sure they can message you back. Tap the slider next to Facetime to turn it off. Tap the slider next to iMessage to turn it off. Launch Settings from the Home screen of your iPhone.How to deactivate iMessage and FaceTime before switching from iPhone to AndroidĬomplete these steps from your iPhone before starting to use your new smartphone: How to manually deactivate iMessage from Apple's servers.How to deactivate iMessage before switching from iPhone to Android.The best way to make sure Apple knows you've switched, and to make sure you don't miss any messages from those still using iOS, is to turn off iMessage before you go. If you stop using your iPhone and switch to Android, however, Apple has to stop sending iMessages instead of SMS. This allows you to get around any carrier-imposed SMS or MMS limits. The Messages app lets people who own Apple products send iMessages back and forth to one another, rather than traditional SMS or MMS messages.