how to turn my imessage back on
You may need to turn off iMessage if you are now using a non-Apple phone and can't get SMS or text messages someone sends you from an iPhone. Follow the steps below to turn off iMessage.1  Transfer your SIM card to your iPhone. 2  Go to Settings. 3  Tap Messages. 4  Turn iMessage off. 5  Go back to Settings. 6  Tap FaceTime. 7  Turn FaceTime off. 8  Exit Settings.ollow the steps below to turn off iMessage. 1  Transfer your SIM card to your iPhone. 2  Go to Settings. 3  Tap Messages. 4  Turn iMessage off.