This phone is part of a Huge lot of Engineering, and Pre-Production phones, Tested by T-Mobile in the early 2000's. This phone is a Pre-Production phone, on the back It says, "Property of Research in Motion", check the picture!
This is for Vintage Collectors or Users!!
The phone is fully functional and works with some T-Mobile Resellers ONLY!!
You are buying a Blackberry 9780 Cell Phone for T-Mobile Resellers