We’ve helped more than one customer resolve the issue of lost SMS messages, after switching from an iPhone to Android or our favorite, Windows Phone. Essentially, iMessage hooks into the SMS message functions of the carrier, and routes ALL incoming SMS to their internal datacenter, where their applications send it back to the mobile device. If users forget to disable iMessage before powering down their iPhone for the last time, new messages will often be routed to Apple, and lost in the mix. Read more here!
