Hard Reset SAMSUNG T535 Galaxy Tab 4 10.1" LTE

First method:

  1. In order to switch off the tablet hold down the Power key for a short while.Hard Reset SAMSUNG T535 Galaxy Tab 4 10.1
  2. After that, press and hold together Volume Up + Home + Power button for a few seconds.HardReset SAMSUNG T535 Galaxy Tab 4 10.1
  3. You may release held keys when the Samsung Logo appears on the screen.
  4. Select "wipe data / factory reset" by using Volume buttons to navigate and Power button to confirm.Remove screen password on SAMSUNG T535 Galaxy Tab 4 10.1
  5. In the next step choose "Yes -- delete all user data" to confirm whole operation.Wipe data on SAMSUNG T535 Galaxy Tab 4 10.1
  6. When the Recovery Mode appears again select "reboot system now".Master Reset SAMSUNG T535 Galaxy Tab 4 10.1
  7. Good job! The hard reset has just been performed.
See the Next method!

Galaxy Tab Pro 8.4 - How to Reset Back to Factory Settings​​​ | H2TechVideos​​​

Hard Reset SAMSUNG Galaxy Tab 4 - Format / Restore Galaxy Tab

Hard Reset SAMSUNG Galaxy Tab 4 - Unlock Tablet Without Pattern

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

Help! This doesn't work