In order to hard reset a BlackBerry Torch 9850, you should perform the following steps.
Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
BlackBerry Torch 9850 device will be brought back to the default configuration of a brand new device.
1. The first thing for you to do is to switch on the device.
2. Another step is to enter Menu, select Options, Security and Security Wipe.
3. The phone will now want you to enter the word "BlackBerry" into it. Do that.
4. The phone will now reset and restart. You have performed the hard reset operation. Yaay, whee, woohoo.