In order to hard reset a Danger Sidekick Color, you should perform the following steps.
Remember! Hard reset will delete all the data on your device; pictures, contacts, messages, apps and more.
Danger Sidekick Color device will be brought back to the default configuration of a brand new device.
1. Remove the phone's SIM card and battery. Flip the sidekick open.
2. Press'n'hold the letter R on the keypad. As you hold it, put the battery back in.
3. Hold the R button until your device restarts twice.
4. Remove the battery once more. Put the SIM card back in, then put the battery back in.
5. Done.