[iMore.com]

Apple had launched a new tool to make it easier for iOS users to switch to a competing smartphone platform and not lose text messages. Previously, iPhone users who switched to a rival operating system would still have their numbers locked into Apple's iMessage servers, creating problems with text messages not showing up. Now, with the new tool, users can unregister their numbers from the iMessage system and text messages won't be lost should you switch to a different platform.

Full story from the iMore Blog...