In order to hard reset a Bird S663, you should perform the following steps.
Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
Bird S663 device will be brought back to the default configuration of a brand new device.
1. Do press the Power button. Hold it until the phone turns on.
2. Using phone's keyboard, type in one of these codes: *#77218114# or *#881188# or *#94267357# or *#9426*357# *#19912006# *#118811# *#3646633#
3. Give your phone a minute, as it will now restart. Congrats, the hard reset is complete.