In order to hard reset a BLU Bar Q, you should perform the following steps.
Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
BLU Bar Q device will be brought back to the default configuration of a brand new device.
1. First, power up the phone by pressing the Power button.
2. Select Menu, then > Privacy - Factory Data Reset > Reset phone.
3. After that, your phone should reset. Grats.