In order to hard reset a BlackBerry DTEK60, you should perform the following steps.
Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
BlackBerry DTEK60 device will be brought back to the default configuration of a brand new device.
1. Start by turning on the device.
2. Now go to Settings > Backup & Reset.
3. Select the Factory Data Reset option.
4. Now you have to Reset Phone. You may have to enter a code.
5. Select Erase Everything and complete the hard reset process.