4/19/2016

Nexbox Z68 - Ugoos UT4 edition

Nexbox Z68 - Ugoos UT4 edition

I was „lucky enough” to buy this box, and my first impression was very disappointing…
But after a few days of trying different firmwares and reading I have found an almost perfect solution for my needs, and it’s based on UGOOS UT4 original firmware.
Theres no bloatwere inside the original firmware, so almost untouched, but you must have basic firmware update skills to use it.
One more thing: our Z68 is overheating like hell due to the lack of heat sink! Thanks STZO to drew my attention, so first step is to buy a heat sink and put it into the box! Without heat sink our Z68 regularly overheating and freezing, and it's not a software bug (primarily)... For example this is a suitable solution: http://www.conrad-electronic.co.uk/c...ing-51x19x48mm
And I must say that this is not my firmware, I have no Android programing skills, I’ve only put informations together and let my grey matter to work a little… So my credit goes to Ugoos and everyone who has helped me…

Working:
  • almost everything including original remote controller (the MUTE button acting as MENU button), WiFi (2,4 and 5GHz also), BlueTooth, HDMI Bitstreem, KODI audio Pass-through (tested with my Pioneer VSX-930 receiver), including DTS-HD Master and Dolby TrueHD, AirPlay in KODI from iTunes (Tested on 2014 MacBook Pro, you must enable it in KODI Settings)
Not working:
  • Automatic framerate switching in KODI (you must manually switch to desired framerate in settings, or leave it in auto, when I'll find a solution, I will update the thread)
  • There is no full power off implemented, this box only sleeps when power button pressed, it’s normal
  • The originally blue led now red… 
  • .mov files have sound issues...who cares?
  • some 4K contents . but i have only FullHD 24p movies, and the 4K capability is only a marketing bullsh.t...
  • You name it!
How to install:

All files can be found here in one rar archive:

https://mega.nz/#!oUpzSaZa!7jMTIlZc3...bNKVHHChY95YFU

Connect the Z68 to Windows PC (after installing drivers) in Flash mode. Unrar my files into a directory. In „Ugoos UT4_1.0.1 for Z68” folder you can find AndroidTool.exe, first choose „Firmware Upgrade”, push „Firmware” button and choose ut4_1.0.1.img file. Press „Upgrade” button. After you have finished the installation, reconnect the box in Flash mode, and in AndroidTool select „Download Image”, and unthick everything EXCEPT kernel.img! (If you need TWRP, thick the recovery.img also, it’s optional).
Now connect your box to your TV, and power it on. After first boot you must achive ROOT (can be done in Settings-Ugoos Settings-Install Root) and install root explorer (and you must have a wireless keyboard and mouse to make modifications below).

WiFi fix (2,4GHz and 5GHz works):
1. Enable ROOT on the box if not enabled before (Settings-Ugoos Settings-Install Root)
2. Using xplorer (Root explorer) open root on your box
3. Go to folder /etc/firmware and find nvram_AP6335.txt
4. Rename original nvram_AP6335.txt to nvram_AP6335.txt.orig, or simple delete it
5. Find nvram_AP6330.txt and rename it to nvram_AP6335.txt
6. Reboot your box, and enjoy your fully functional WiFi!

In Android Settings/ Sound Device Manager set output to HDMI Bitstream or SPDIF depending on your sound input.
Kodi Audio Pass-through settings (switch Kodi to Expert Mode):
System - Video - Acceleration
-Allow hardware acceleration - MediaCodec - On
-Allow hardware acceleration - RockchipCodec - On

System - Audio output
-Number of channels - 7.1 (or 5.1)
-Keep audio device alive - Of
-Play GUI sounds - Never
-Enable passthrough - On
-DD/DD+/DTS/TrueHD/DTS-HD - On (depending on your receiver's capabilities)

Thats it! I can say that this is the most siutable solution if you want to use this box to play movies. And I don’t care synthetic Antutu and other benchmarks, never measured it.

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