Here is the firmware guide video for amlogic s905x3 android 9.0 system smart tv box H96 max x3. Follow the procedure to download the firmware and install the USB driver, and then install the firmware. Generally, there will be no mistakes. If your country cannot support access to Google, then you cannot open youtube normally.
There is good news here. All models of H96 will start on July 10, 2020. As long as the factory date is July 10, 2020 and it is not a customized product, it supports OTA (online upgrade) firmware update.
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Amlogic s905x3 android tv box h96max x3 firmware guide https://youtu.be/3YQ62o9TJRE