In order to hard reset a Allview 3 Speed Quad HD, you should perform the following steps.
Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
Allview 3 Speed Quad HD device will be brought back to the default configuration of a brand new device.
1. First, turn the phone on.
2. Go to Menu -> Settings -> Backup & reset -> Reset device -> Erase everything.
3. The device will now restart.
4. Yep, done.