TechCrunch reports an iMessage bug causing problems for iOS users trying to send SMS messages to ex-iPhone users who have switched to another platform, such as Android.
What happens is, the iPhone attempts to send the SMS to the ex-iPhone user as an iMessage -- just like it always did before the recipient switched devices. But since Android doesn't support iMessage, the text ultimately fails.
Simple, if naive solution:
- Don't let your friends switch away from iPhones.
Complicated, if realistic solution: