I have an older iPhone that I was thinking about selling soon in order to get a new one. I've set up iMessaging on the device. Normally I would just erase the phone a couple of times and be done with it. But recently, there has been exposed a glitch in iMessaging whereby users continue to receive other user's iMessages, even after the sim card is removed, and the phone is erased.
So I'm curious: is there any way to prevent this from happening?