Download Android 10 stock firmware for MECOOL KM9 Pro TV Box from here or here.
Firmware details
Archive name: KM9PRO-ota-amlogic-V1.20200519
Image: KM9PRO-ota-amlogic-V1.20200519.zip
Archive file size: 609 MB
Model: MECOOL KM9 Pro TV Box – all models
Platform: AMLogic S905x2
System: Android version 10
Build number: MECOOL/KM9PRO/KM9PRO:10/QT/V1.20200519:user/release-keys
Caution Please do not update firmware unless you know what you are doing, you really want it or it is absolutely necessary. Firmware updates may occasionally have bad results, like bricking your device, temporarily or permanently. The firmware update process is done entirely at your own risk. Before attempting to update the firmware, back up your data.
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