Download the 7.1.1 upgrade image file.

Go to Setting > Firmware update > Firmware update (Update firmware image form USB storage)

Once the upgrade is done, you can check the Android version by Settings > About device

After launch, when you arrive on the home page, enter the following url in Content:
​https://display.dynamicscreen.xyz/golem/?model=qbic

Once the Comeen application is installed, you see a paring screen like:

Log in to your Comeen interface https://login.new.play.comeen.com/

Navigate to the Displays page and click on "Associate a Player":

Now enter the code that appears on the player screen:

Enter your screen details, then simply click 'Save' to proceed.