In our description database there are 2 solutions for performing hard reset for Lenovo S720.
Choose the first method and follow the steps to perform a hard reset. If the first solution does not work, try the next method.
Please remember! Hard reset will delete any and all data your device contains; like pictures, contacts, messages, apps etc. Everything. Lenovo S720 device will be brought back to the same configuration as that of a brand new device.
1. Turn the device off by holding down the Power button.
2. Hold down Power & Camera buttons simultaneously for ten seconds.
3. Wait for the Factory Mode to start.
4. Now you have to select Clear eMMC option. Do that by navigating through the options with Volume Down and selecting the right one with Power button.
5. Good job, your phone will now reset and restart, thus completing the hard reset process.
Instruction II:
1. For starters, power down the device.
2. Press and hold the Power & Volume buttons for five seconds or so, until an Android logo appears.
3. Halfway there... choose the wipe data/factory reset option - Volume buttons scroll, Power confirms.
4. Another options to select, in the same way as above, are Yes and reboot system now.
5. Your phone will now reset and restart. Voila.