In order to hard reset a Spice Mi-510 Stellar Prime, you should perform the following steps.
Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
Spice Mi-510 Stellar Prime device will be brought back to the default configuration of a brand new device.
1. Switch off the device.
2. Press & hold the Volume Up and Power buttons.
3. Now select the wipe data/factory reset option. To do that, use Volume to scroll the options and Power to select it.
4. Afterwards select Yes - delete all user data and reboot system now.
5. Voila, done.