This CUJO factory reset procedure is applicable to firmware versions up to 5003
The Reset button is located on the back of your CUJO device on the same side as the cable sockets are located as shown in the illustration below.
Factory reset will wipe out log files and other configuration setting stored on the CUJO device.
To trigger factory reset:
Unplug the power supply from CUJO and plug it back.
Wait until CUJO eyes will start to shine in the full position.
At this point press and hold the reset button.
When CUJO eyes start to shine happy/sad alternately release the reset button.
Wait until CUJO reboots again.