Here is the newest stock firmware for MINIX NEO X7mini. changelog is the same as neo x7:

MINIX NEO X7 mini 20131111 (version 008) 4.2.2 firmware
Release Date: 2013-11-22

Change log:

1.) 1080p video overlay self-detection applied;

2.) Improved video playback quality;

3.) Removed Google search bar on Launcher screen;

4.) New NEO A2 airmouse audio setting and key logic applied;

5.) Updated MINIX launcher;

6.) Introducing new manual hide/show system bar feature by long pressing menu key on remote;

7.) Removed Chrome browser;

8.) Preloaded latest AirPin(PRO), AirDroid and CloudTV app.;

9.) Added NFS support;

10.) Removed GPS satallites setting;

11.) Updated Bluetooth ID and USB device ID;

12.) Added 720p H.265 playback support;

13.) Improved Bluetooth connection performance;

Firmware Download Link

http://www.mediafire.com/?vsu8mhm11s8h7d3