Hard Reset ACER A100 Iconia Tab

First method:                                            

  1. First of all, switch off the tablet by holding the Power key.Hard Reset ACER A100 Iconia Tab
  2. Then press and hold the Volume Up button.Format ACER A100 Iconia Tab
  3. While holding Volume Up press the Power button for a short while. HardReset ACER A100 Iconia Tab
  4. You should release the Power key when the tablet vibrates.
  5. Afterwards press the Home button to see Recovery Mode menu.
  6. Next, press Volume Down to choose "wipe data/factory reset", and then push the Power button to confirm.Wipe data ACER A100 Iconia Tab
  7. Select "Yes--delete all user data". Use Volume Down button to scroll and Power key to select.
  8. To restart the device, select "reboot system now".
  9. Success! The hard reset is done!

Second method:

  1. Turn on the tablet by using the Power button. Hard Reset ACER A100 Iconia Tab
  2. Go to Settings and then to Privacy.
  3. Tap Factory data reset
  4. Choose Reset device and select Erase everything.
  5. Well done!

Third method:                                            

  1. Turn off the device by holding the Power button.Hard Reset ACER A100 Iconia Tab
  2. Press and hold the Volume Up button.Format ACER A100 Iconia Tab
  3. While holding Volume Up press the Power button for a short while. HardReset ACER A100 Iconia Tab
  4. Release Power key when the tablet vibrates.
  5. You have to quickly work the Screen Lock Switch as soon as the tablet vibrates (while still holding the volume button).Factory Reset ACER A100 Iconia Tab
  6. Good job!

Acer Iconia A100 - How to Reset Back to Factory Settings​​​ | H2TechVideos​​​

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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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