Hard Reset BLACKBERRY 9720
- Switch on the phone.
- Open the application tray.
- Now scroll to Options -> Security -> Security Wipe -> Tick/untick the items you would like to wipe.
- Goto the text box and tap "blackberry".
- Select Wipe.
How to remove phone password's off of all blackberry's if
Help! This doesn't work
Hard Reset will erase all of your data
All described operations you are doing at your own risk.