Flashing the wrong firmware can permanently "brick" your device. Ensure the file matches your exact model (32S3U vs. 32S3U Pro).
: Plug the prepared flash drive into the USB port on the side or back of the TV. Force Update : Coocaa 32s3u Update Firmware
Ensure the drive is formatted to (not NTFS or exFAT) and the files are in the root directory. Wi-Fi Issues Flashing the wrong firmware can permanently "brick" your