In order to hard reset a Eken K1, you should perform the following steps.
Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
Eken K1 device will be brought back to the default configuration of a brand new device.
1. Disable the device with a press and hold of a Power button.
2. Go to Settings > Backup & Reset.
3. Now go to Factory Data Reset, Reset device and Erase everything.
4. The hard reset process is now over.