If you could make changes, how would you improve the culture at BlackBerry?

Hire good people and let them do their job while providing resources to grow the company and to get the word out on the new products. Potential buyers need to know that they are a software company and that the BlackBerry that most people knew is in the past.

Less micromanaging your people. If you don't trust them, don't hire them. If you hire them, let them do their job and listen to their feedback.