In order to hard reset a Qtek 8300, you should perform the following steps.
Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
Qtek 8300 device will be brought back to the default configuration of a brand new device.
1. Press the Power button to turn on the phone.
2. Press'n'hold the Power and Record buttons. Only release them after the "Enter bootloader press any key" message pops.
3. Now press Action button.
4. Press 8 after a new menu shows.
5. Factory reset will now begin. Give it a few minutes to complete.