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2nd Generation - 4.4.2 Android "AN-21U" and "OUKU" Hybrid Unbranded Units

2nd Generation - 4.4.2 Android "AN-21U" and "OUKU" Hybrid Unbranded Units

To avoid confusion, below is a pictures of the unit this thread relates to. I am aware of a previous unit using the same design, but it runs an older version of Android. This thread is for the unit running Android 4.4. So far these are the only 2 OUKU head units that have been verified so far:

Generic 2DIN Model - Model TH8581GA


FORD 2DIN variant - Model TH6582


Specifications & Features

Hardware:
Processor Type: Quadcore R16
CPU: Quad-Core Cortex A9 1.6 Frequency
GPU: DUAL Mali400MP2 400MHz - Complies with OpenGL ES 2.0/1.1
RAM: 1G DDR3 RAM
iNAND: 16GB
External Memory: Up to 32GB MicroSD
MCU: 5.3.13-1-10-610101-150619
Bluetooth: Yes - Type unknown
Screen: Capacitive 800*480
GPS: GLONASS/Galilean satellites - supports H.265 video decode
Radio: Yes - Type unknown
DVD: 2.13.15-860mc-150417

The "AND-21 U" software version is 4.4.4, not to be confused with the 4.2 software update for 4.1 android systems. There is no comparability between the two.

There is NO information what so ever if anyone has rooted this or has any modded APK's. Please post below.

Known Issues/Fixes

USB Debugging is password protected.
Resolved: The password is "john@tw-desktop". Credit to @nikko82

What is the Factory Reset / Developer Options password?
Resolved: 7890

What is the Extra Settings password?
Resolved: 123456

Where can I buy one?
Resolved: Go to Ebay and there are hundreds of them.

Does it have the full Play Store?
Resolved: Yes

Can I use Bluetooth OBD devices with Torque?
Resolved: Yes they are compatible on most of these devices. Parts sold separately.

Can I root this unit?
Not Resolved: From OUKU wiki: "Units that use the same case/face are coming out with newer android 4.x and upgraded internal hardware. Those are completely different units hardware-wise, Roms are not interchangable. They are believed to be variations of the AN-21 U model."

I will try to update this as more information is leaked in.