Upgrading your MX9 4K TV Box Go to product viewer dialog for this item.
A frequent confusion in TV box forums is using ROM and firmware interchangeably. For the MX9: firmware tv box mx9 4k android 712 verified
If any feature fails, you likely used firmware with a mismatched Wi-Fi or IR driver. Immediately flash a different variant. Upgrading your MX9 4K TV Box Go to