Always download firmware from reputable sites like Chinagadgetsreviews or trusted community forums like 4PDA (using a translator).
Download the latest version of and the X96 Mate firmware (IMG file) from a reputable source like the official manufacturer site or trusted community forums (e.g., FreakTab or 4PDA). Step 2: Prepare PhoenixSuit X96 Mate Firmware
If your box is stuck in a boot loop or you want to start fresh, you will need to flash the firmware manually. X96 Mate Firmware