Eli asked if the firmwares were the same. The man answered in gestures: some were hot, some were cold, some didn't care to speak at all. "You can keep yours," he said. "Or you can put it down and walk away."
Open the box to identify the internal board version (e.g., R329Q V3.1). firmware tv box mx9 4k android 712 hot
Flashing requires a male-to-male USB cable and a PC. You’ll lose DRM keys for Widevine (often already L3 only), and some WiFi chips become unsupported if you pick the wrong build. Eli asked if the firmwares were the same
Flash original or custom firmware for the MX9 4K TV Box (Android 7.1.2) to fix boot loops, lag, or "hot" overheating issues. 🛠️ Essential Preparation some were cold
MX9 4K Android Version: 7.1.2 Status: Unlocked.