If the video plays but there is no sound, your device may not support the audio codec (like AC3 or DTS). Downloading a codec pack (like K-Lite) or using a mobile player like MX Player with custom codecs usually solves this. Essential Hollywood Dual Audio Must-Haves
Many “720p” files are actually upscaled 480p. Check real resolution: hollywood movies dual audio eng hindi 720p listl fix