In order to hard reset a Hipstreet W7, you should perform the following steps.
Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
Hipstreet W7 device will be brought back to the default configuration of a brand new device.
1. Press Power button to turn on the phone's display.
2. Open Main Menu and go to Settings > Change PC settings > Update and recovery.
3. Continue by selecting Recovery > Remove everything and reinstall Windows > Next.
4. Voila! After up to 30 minutes the hard reset will be over.