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Reset the Phone to Factory Defaults from the Phone Menu
You can reset the phone to the factory defaults. The phone resets user and network setup settings to their default values and then restarts.
Procedure
Step 1 Access the Settings app.
Step 2 Select Admin settings > Reset settings > All settings.
Step 3 Press Reset.
Reset the Phone to Factory Defaults from the Phone Keypad
You can reset the phone to factory defaults using the keypad. The phone resets user and network setup settings to their default values and then restarts.
Procedure
Step 1 Press the Power/End Call and Pound (#) keys at the same time.
Step 2 When the LED on the top of the phone lights, press 1 2 3 4 5 6 7 8 9 * 0 #.