[ROM] Vorke Z6 / Tanix TX92 / TX9 Pro TVStock Nexus ROM (Android TV 7.1)

In the spirit of the Pure Nexus Project, these TVStock Nexus ROMs deliver the pure Android TV experience using the Open GApps TVStock Package. The goal is to keep true to Google's vision and use the bare minimum of OEM or third-party apps or add-ons, which can be added à la carte by the user as needed, just as I've done with the Stock and Nano variants. I believe these ROMs are stable enough for general use, but don't be surprised if some features from the Nexus Player or NVIDIA Shield TV aren't fully implemented. This will be particularly true of features that require a secure platform (Widevine Level 1) for DRM requirements.

TVStock variant includes:

Open GApps TVStock Package
Open GApps Nano Package
Google Chrome Browser (replaces stock/AOSP Browser)
App Drawer 1.0 from CyanogenMod/LineageOS
Terminal app from LineageOS
TWRP Recovery 3.1.1-0 by TeamWin

Changelog (20171119):

Based on the latest Shiningworth All-in-One firmware (Vorke_Z6-20171110), stripped to Android stock bits and the latest Open GApps.
Added local update and backup option from Settings->About->System update based on Amlogic stock OTAUpgrade app.
The status bar can be temporarily shown by dragging the mouse pointer to the top edge of the screen.
The navigation bar can be shown or hidden via the setting in Settings->Display->Toggle Navigation Bar.
The Terminal app shows after being enabled in Settings->Developer Options. (This must be revealed by clicking Build 7 times in Settings->About.)
Added support for all HID devices (e.g. remotes, gamepads, etc.) on latest Nougat firmware for Nexus Player, NVIDIA Shield TV & Xiamoi Mi Box
Nexus splash logo with stock Nexus boot animation

Known Bugs:

The underlying OEM firmware doesn't have the ActionBar fix, and so More Settings is disabled. (Hopefully, they'll get it soon.)
Google Cast service broadcasts and is discoverable from mobile devices, but usually is unable to connect.
If holding reset button to boot to recovery, release after 10 seconds and then wait for almost a minute. It will eventually get there.

Download:

TVStock Variant: BURN PACKAGE (1.10GB IMG file), OTA UPDATE (574MB ZIP file)
Flash burn package with Amlogic USB Burning Tool v2.0.8 or BootcardMaker v2.0.0.2

Notes:

This ROM has drivers for the Qualcomm QCA9377 and Longsys LTM8830 wireless chipsets (S/N beginning with S912 or G912) AND the AMPAK AP6255 wireless chipset (S/N beginning with A912). (Many others are also included.)
This includes device trees for 1G, 2G and 3G DRAM configurations, and so it should work on both GT1 standard and ultimate SKUs.
This underlying OEM firmware is not rooted. You can install SuperSu or Magisk, if you need this.
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.
Flash ROMs at your own risk and always remember to back up your data first. The burn package includes a factory reset

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