In order to hard reset a BlackBerry Storm2 9520, you should perform the following steps.
Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
BlackBerry Storm2 9520 device will be brought back to the default configuration of a brand new device.
1. Hello. Please press the Power button to turn your phone on.
2. Enter Menu and select Options.
3. Next, go to Security Options > Secuity Wipe.
4. Type in "blackberry" and choose the Wipe data option.
5. The phone will now reconfigure and restart. Congratulations, you have completed the hard reset.