In order to hard reset a BlackBerry Q5, you should perform the following steps.
Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
BlackBerry Q5 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. Be so kind as to select Settings. Tap Security and Privacy and Security Wipe.
3. You will be asked to enter the word "BlackBerry" into the phone. Please do so. Now select Delete Data.
4. The phone will now reconfigure and restart. Congratulations, you have completed the hard reset.