In order to hard reset Acer beTouch E130, you should follow the steps listed below.
Not that the hard reset will delete all data on your device, like pictures, contacts, messages, apps and more.
Acer beTouch E130 device will be brought back, to the same configuration as if you bought a brand new device
1. Start by switching off the phone by pressing the Power button.
2. Next, hold down Power button for a few seconds.
3. When the phone vibrates and the Acer logo displays, release the button.
4. Afterwards, press and hold Volume Up + Volume Down for a few moments.
5. Factory Reset menu should appear on your screen.
6. When it does, press Volume Up to select "Clean Boot" option.
7. Lastly, press Camera key to confirm the operation.
8. Good job. Your phone has been returnd to its default state.