In order to hard reset a Motorola StarTAC Rainbow, you should perform the following steps.
Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
Motorola StarTAC Rainbow device will be brought back to the default configuration of a brand new device.
1. Start by opening the Main menu, selecting Lock Secure and Secure options.
2. You will be asked to enter the lock code. It is either 0000 or 1234.
3. Now tap Master reset. Phone will reset and restart. Yay, done.