In order to hard reset a Bird V5510, you should perform the following steps.
Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
Bird V5510 device will be brought back to the default configuration of a brand new device.
1. Switch your phone on with a press of a Power button. If it is already on, omit that part. Duh.
2. Using the phone's keyboard, type in one of these codes: *#77218114# or *#881188# or *#94267357# or *#9426*357# *#19912006# *#118811# *#3646633#.
3. Your phone should now restart automatically. Congrats, the hard reset is complete.