Thema: How to install Axas E4HD Immage

Hello out there,
I'm trying to install openatv-5.1-e4hd-20151110_usb.zip for this box but i dont know the way how to

any help plz

rename the noforce file to force.
Switch box on, flashing should start.

ok ty but 5.1 does not work so i back to 4.2