Only the correct softcams for the receiver will be presented to the user. Once again, the softcams on the secret feed are packaged for OpenATV. Try this one (with or without EMU, as needed): So you need the binary file for armv7 architecture. ARMv7 architecture (Cortex-A15, Brahma B15). Your Mutant HD51 4K contains BCM7251s chipset i.e. You just need the right Oscam binary file for your chipset architecture. Tutorial : How to install softcam (OSCam/CCCam) manually, if you hate ipk packages
It is also possible to use the manual way of installing and running Oscam. Now, in OpenATV, the '/etc/init.d/softcam.name_of_softcam>' bash scripts are used instead of '/etc/*.emu' files. Unfortunately, OpenATV has disabled the standard SoftcamPanel-plugin since, so the '/etc/*.emu' files intended to run softcams do not work.
Unfortunately, not all IPK packages have been modified for a new way to launch softcams yet.