8-2 Troubleshooting and MaintenanceRestoring Factory Default StateIn some cases, you may need to restore your device to the factory defaultstate by clearing the memory from your device. For example, you shouldclear the memory: When your device does not respond after being restarted. When you forget your password.Clearing the memory means all data you have entered in your device’smemory, including all files, system settings and additional programs youhave installed, will be erased. (Programs installed to ROM at the factory arenot affected.)CAUTION: To ensure the integrity of your data should it be necessary toclear the memory, you are advised to regularly back up your data.Follow this procedure to clear the memory from your device:1. Remove the battery and then replace it.2. Press the up arrow key and the Action key, and while keeping thetwo keys down, press the power button.3. Release all the keys when you see the “Clean boot now” message.
