ATV1900ac

 The ATV1900ac
 Operating system          Android 4.4.2
 Power                     5 volts
 CPU                       AmLogic S805
 Memory                    2GB DDR3
 Storage                   16GB
 Graphics                  Mali450
 Sound                     A/V, HDMI, S/PDIF
 Connectivity              IEEE 802.11 b/g/n  10/100 Ethernet

History

The ATV1900ac was released in Late Aug 2015 as the first official 4K + ATSC Connection successor to the MyGica. It is equipped with a quad core AmLogic S805 and the Mali450 video processor. It is capable of scaled 4K playback, as well as nonscaled 4K playback. This was the first Mygica device to support OTA updating and also migrated from 4.4 and upgrade to 5.0 soon..

Connections

Right Side

1. Micro USB Slot
2. Two USB 2.0 Ports

Back 

1. Coaxial for ATSC
2. HDMI 1.4
3. LAN 10/100
4. Wifi 802.11 g/b/n
5. 5Volt DC connection

User Manual

Here is Official usermanual [1]

Firmware upgrades

No Firmware upgrade Needed yet

Remotes

= How to setup WiFi

how to Master Reset ATV1800E

• • Master Reset Video is in Making **

XBMC shrank, or not full-size display

We have Video Walk through for this too

• • • Coming Soon ***