Do not guess the model number. You need the exact Hardware Version (H.W. Version) .
Installing the wrong firmware can permanently "brick" (disable) your device. Always check the sticker on the bottom of your unit for the exact model and version. cp plus firmware update download
: Updates can enable support for new hardware, such as 3G/4G dongles for remote connectivity. Do not guess the model number
: Go to the Main Menu → System (or Info) → Upgrade (or Version). cp plus firmware update download