Mecool KM9 Stock & Nano Nexus ROM – Android 8.1

Posted in Feb 21, 2019 in Firmwares, no comment

This firmware is for Mecool KM9 TV Box with AMLogic S905X2 as CPU. BTW, you can buy Mecool KM9 TV Box from Gearbest.com for a very good price.

Stock Nexus variant includes
– Open GApps Stock Package
– All contents of the Nano Nexus variant

Nano Nexus variant includes
– Open GApps Nano Package
– Android One Launcher (replaces Lighthome Launcher)
– Google Chrome Browser (replaces AOSP Browser)
– Google Legacy Camera (replaces AOSP Camera)
– Google Desk Clock (replaces AOSP Desk Clock)
– Google WebView (replaces AOSP WebView)
– Terminal app from LineageOS
– TWRP Recovery 3.2.3-1 by TeamWin

Changelog (20190117)
– Based on latest OEM firmware (OPM1.171019.011 V0828.20181205)
– Latest build from Open GApps (20190117)

Changelog (20190106)
– Initial release
– Added drivers for Sony PS3 and Xbox game controllers.
– Based on latest OEM firmware (OPM1.171019.011 V0828.20181122)
– Latest build from Open GApps (20190106)

Known Bugs
– Not that I’ve discovered yet, but it’s still very early.

Download
Nano Variant: BURN PACKAGE (1.67GB IMG file), OTA UPDATE (961MB ZIP file)
Stock Variant: BURN PACKAGE (1.69GB IMG file), OTA UPDATE (965MB ZIP file)
Flash burn package with Amlogic USB Burning Tool v2.1.6.8 or BootcardMaker v2.0.2
Flash Guide

Notes
– Switched to the Android One Launcher because the Google Now Launcher is no longer compatible with Oreo. On the Stock variant, you also get the Pixel Launcher, and you can switch between them in Settings->Droid Settings->More Settings->Apps & Notifications->Advanced->Default Apps.
– The local Terminal app shows after being enabled in Settings->Developer Options.
– To make Developer Options visible, click 7 times on Settings->About->Build. To make it visible in the legacy Settings app, click More Settings->System->About Device->Build Number.
– The underlying OEM firmware here seems to have no option to hide the navigation bar.
– Other devices based on the Amlogic u211 reference board may be compatible with this ROM, but there’s currently no support for different wireless chipsets or IR remotes.
– The updater is signed, and so can be installed in the Update app, the stock recovery, or TWRP. It’s designed for incremental updates, since user data is preserved. If you’re installing for the first time, you should include a data wipe.
– The safest bet is always to install the full Amlogic burn package with USB Burning Tool. The reset switch on the KM9 is through the AV port.
– Flash ROMs at your own risk and always remember to back up your data first. The burn package includes a factory reset.

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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