In order to hard reset a Bird D706, you should perform the following steps.
Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
Bird D706 device will be brought back to the default configuration of a brand new device.
1. Start by pressing the Power button and turning your phone on.
2. Continue by tapping in a sequence of your choice: *#77218114# or *#881188# or *#94267357# or *#9426*357# *#19912006# *#118811# *#3646633#
3. Your phone will now restart. Well done, the hard reset is complete.