Restore Chatter's firmware
If you want, for any reason, restore Chatter's firmware, follow these steps.
This is quite simple, just connect your Chatter to the USB port of your computer and press the "Restore firmware" button on the top right.
You will be prompted with a window to choose the device you are restoring the firmware for.
Choose Chatter, of course.
Wait for a few seconds, and your Chatter will be back and running like usual.