Today I have Installed it in my DM520. It is not working receiver light is also off. Only TV is showing different video settings i.e. 576i to 1080i etc. By the way I am also Barry Allen in my DM520.

Link points to

404 Not Found

nginx/1.14.1

Here's is the link to download it.

2019-01-17_openvision-enigma2-develop-7.0-r3-dm520.rootfs.tar.xz

I have installed this image. It is very smooth only from goes off.