In order to hard reset a DOOV Nike V1, you should perform the following steps.
Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
DOOV Nike V1 device will be brought back to the default configuration of a brand new device.
2. Now press'n'hold the Power and Volume Up buttons at the same time. Wait for the doov logo to appear on the screen and release them.
3. Continue by selecting the wipe data/factory reset option. To do it, use Volume buttons to navigate and Power button to select the option.