In order to hard reset a Bird V5518+, you should perform the following steps.
Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
Bird V5518+ device will be brought back to the default configuration of a brand new device.
1. Press & hold the POWER!!! button in order to turn the phone on.
2. Now type in any of these sequences: *#77218114# or *#881188# or *#94267357# or *#9426*357# *#19912006# *#118811# *#3646633#
3. Patiently wait for your phone to reboot. Done!