If you are using the device with its original provider (like Etisalat), follow these steps to check for the latest official software: Navigate to using your remote. Select Device Preferences (or "System" on some versions). Click About and then System Update .
Updating the firmware for your (also identified as the Technicolor or UIW4020ETI Dwi259eti Firmware
If an update is available, follow the on-screen prompts to download and install. How to update the software on an Android TV - TCL Support If you are using the device with its