Hard Reset ZTE Nubia Z9 Mini

First method:

  1. Start by switching off the device by holding down the Power key for a short while.Hard Reset ZTE Nubia Z9 Mini
  2. Next, press and hold the Volume Up + Power button simultaneously for a few seconds.HardReset ZTE Nubia Z9 Mini
  3. You may let go of held keys as soon as the Android Image appears on the screen.
  4. In the this step hold down the Power key to enter Recovery Mode.Hard Reset ZTE Nubia Z9 Mini
  5. From the available options choose "wipe data/factory reset" by using Volume buttons to navigate and Power key to confirm.Factory Reset ZTE Nubia Z9 Mini
  6. Select "Yes--delete all user data". Use Volume Down button to scroll and Power rocker to select.
  7. In order to restart the phone select "reboot system now".Factory Reset ZTE Nubia Z9 Mini
  8. Congratulations! The hard reset has just been performed.

Second method:

  1. First of all, switch off the device by holding down the Power key for a few seconds. Hard Reset ZTE Nubia Z9 Mini
  2. After that, go to Settings and then to Backup & Reset.Remove screen password ZTE Nubia Z9 Mini
  3. Then choose the Factory Data Reset.
  4. In the next step tap Reset Phone.Remove Screen Lock ZTE Nubia Z9 Mini
  5. If it's necessary enter the lock code. The default one is: 1111.
  6. Finally, select Erase Everything if you are sure you want to clear all your data. 
  7. Success! Your phone is ready to use.

Third method:

  1. At the very beginning hold down the Power key for a short while in order to switch off the device..Hard Reset ZTE Nubia Z9 Mini
  2. In the next step hold down the Power button again to turn the phone back on.Hard Reset ZTE Nubia Z9 Mini
  3. Choose emergency dial, and type the following number: *983*22387#
  4. Then from the menu in front of you choose Erase Everything.
  5. Done! Now your phone will restart.

ZTE Kis 2 Max hard reset

WARNING !
Hard Reset will erase all of your data
All described operations you are doing at your own risk.

Help! This doesn't work