Hard Reset ZTE Nubia Z9 Max

First method:

  1. First of all, hold down the Power key in order to switch off the cell phone.Hard Reset ZTE Nubia Z9 Max
  2. Afterwards, press and hold the Volume Up + Power button for a couple of seconds.HardReset ZTE Nubia Z9 Max
  3. You should release held keys as soon as the Android Images appers on the screen.
  4. In the next step hold down the Power key to enter Recovery Mode.Hard Reset ZTE Nubia Z9 Max
  5. Then choose "wipe data/factory reset" by using Volume buttons to navigate and Power key to confirm.Factory Reset ZTE Nubia Z9 Max
  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 Max
  8. Congratulations! The hard reset has just been performed.

Second method:

  1. At first, turn on the phone by using the Power button. Hard Reset ZTE Nubia Z9 Max
  2. After that, go to Settings and then to Backup & Reset.Remove screen password ZTE Nubia Z9 Max
  3. Then choose the Factory Data Reset.
  4. In the next step tap Reset Phone.Remove Screen Lock ZTE Nubia Z9 Max
  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. The device must be power off, so press and hold Power button.Hard Reset ZTE Nubia Z9 Max
  2. Then hold down the Power key to turn the phone back on.Hard Reset ZTE Nubia Z9 Max
  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