The (found on the back panel sticker or printed on the circuit board, e.g., TP.MS3663S.PB751).
Before you start the update process, make sure you've completed the following steps: Coocaa 32s3u Update Firmware
Is your Coocaa 32S3U smart TV lagging, freezing, or refusing to connect to Wi-Fi? A firmware update is often the quickest way to resolve these glitches. Updating your television's software patches security vulnerabilities, improves system stability, and sometimes introduces fresh features to your Coolita OS ecosystem. The (found on the back panel sticker or
Fixes common issues like random reboots or remote control crashes. improves system stability