Hard Reset on Lenovo A6800

How to Hard Reset on Lenovo A6800 Dual SIM TD-LTE?

Make sure you turned off the phone.
Hold down the Volume Up key and the Power button.
Wait until the Boot Mode appears and then release the keys.
Go to "Recovery" with the Volume Up key and choose it with the Volume Down key.
After the Android logo appears, hold down the Volume Down key and the Power button.
While holding down these keys press the Volume Up key to open Recovery Mode.
Choose "Wipe data/Factory reset" using the Volume keys and the Power button.
Select "Yes" to confirm the operation.
Press "Reboot system now" to finish the process.
That's all! After these actions, your phone data will be deleted.