Hard Reset PENTAGRAM P5339 Tab 10.1

First method:

  1. At the very beginning hold down the Power key to switch off the tablet.Hard Reset PENTAGRAM P5339 Tab 10.1
  2. Then, hold down the Volume Up + Power button for a while.HardReset PENTAGRAM P5339 Tab 10.1
  3. When the tablet shows the Pentagram Logo release only the Power key.Master Reset PENTAGRAM P5339 Tab 10.1
  4. Keep holding Volume Up key until the Recovery Mode appears.
  5. Next, select "wipe data/factory reset" by using Volume Down to scroll and Power button to confirm.Factory Reset PENTAGRAM P5339 Tab 10.1
  6. In this step select "Yes--delete all user data". Use Volume Down button to scroll and Power key to select.
  7. When Recovery Menu appears again on the screen choose "reboot system now".Factory Reset PENTAGRAM P5339 Tab 10.1
  8. Success! The hard reset operation has just been performed.

Second method:

  1. If the device is off, hold down the Power button to turn it back on.Hard Reset PENTAGRAM P5339 Tab 10.1
  2. Afterwards go to Settings and then to Backup & reset.Wipe data PENTAGRAM P5339 Tab 10.1
  3. Tap Factory Data Reset and selec Reset Device
  4. Choose Erase Everything if you are sure you want to clear all your data. 
  5. Select OK to confirm the whole operation.
  6. Well done!

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

Help! This doesn't work