
Scattered reports have emerged that stolen iPhones continue to receive iMessages intended for their original owners even after changing numbers, resetting Apple ID passwords and remote wiping the handsets.
"Some unlucky iPhone owners are beginning to discover that, despite their best efforts to remove all information from their stolen phones, thieves and unsuspecting buyers are still able to send and receive iMessages as the original owner—even after the device is registered under a new account. Almost nothing seems to work—remote wiping, changing Apple ID passwords, or even moving the old phone number to a new phone—and users are becoming more than frustrated that thieves are so easily able to pose as them."
The issue does not seem to be an isolated incident. Some users suggested that wiping an iPhone when the original SIM card is still in the device won't result in a clean reset, thereby allowing the iMessage feature to reactivate when the phone is restored.
Apple has yet to make a response.
Source