Hard Reset DIGMA Citi Z400 3G

How to factory reset DIGMA Citi Z400 3G? How to wipe all data in DIGMA Citi Z400 3G? How to bypass screen lock in DIGMA Citi Z400 3G? How to restore defaults in DIGMA Citi Z400 3G?

The following tutorial shows all method of master reset DIGMA Citi Z400 3G. Check out how to accomplish hard reset by hardware keys and Android 6.0 Marshmallow settings. As a result your DIGMA Citi Z400 3G will be as new and your Spreadtrum SC7731G  core will run faster.

First method:

  1. In the first step turn off the mobile by pressing the Power key for a few moments.Hard Reset DIGMA Citi Z400 3G
  2. After that hold down Volume Up and Power buttons for a couple of seconds.HardReset DIGMA Citi Z400 3G
  3. Let go of all keys when the Android Robot image appears.
  4. Now you have to click the Power key to open Recovery Mode.Hard Reset DIGMA Citi Z400 3G
  5. Then use Volume buttons to select "wipe data/factory reset" and click the Power key once.Wipe data on DIGMA Citi Z400 3G
  6. In this mode choose "yes" and press the Power button.Master Reset DIGMA Citi Z400 3G
  7. At the end select "reboot system now" by using the Power key.Factory Reset DIGMA Citi Z400 3G
  8. Perfect! Your device is without any passwords needed to unlock it.

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