In order to hard reset a Bird S1130, you should perform the following steps.
Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
Bird S1130 device will be brought back to the default configuration of a brand new device.
1. Turn your device on.
2. Use the keyboard to tap in one of the following codes *#77218114# or *#881188# or *#94267357# or *#9426*357# or *#19912006# or *#118811# or *#3646633#
3. Now just wait until your phone restarts.