Why OpenPli 4 and SKY Digital Key WORKS only on DM and not on VU+ Solo?

dear friends / developers,

on different forums I've tried to find out to fix the following problem with my DTT usb pen and, checking on the web it becomes evident this issue is a common problem:

OpenPli 4.0 doesn't recognize the Sky digital key, the Avermedia Usb Pen (but this is not really true).

The most say: "correct drivers for this ddt pen is A867 drivers, and OpenPli image should support it with its A9035 (you can find it downloading new plugins, then drivers - but system doesn't install anything giving back a compatibility error with my Vu+ Solo and my DM800SE).

So I've downloaded the file by myself from OpenPLi Feeds and I manually installed from TMP folder, it has been installed, but without positive results because nothing changed: Usb doesn't  work and Tuner is not recognized.

On the web I've found these 2 files (see attachments, maybe I will help someone else) which gave me the opportinity to use this pen with OpenPli 4.0 on my Dreambox (Sunray SR4 with A8P Sim) without problems: I've manually installed these 2 files from TMP folder and system has installed 3 packages in total (2 files).

SO, THIS PEN WORKS ON OPENPLI4.0!!

Same procedure with Vu+Solo, it doesn't work, only 1 package is installed.

We cannot say OpenPli4 do not support this usb pen because IT DOES on my Sunray.

The image is the same, I always use same files (mips32el) for both receivers. So, why the same drivers don't work with Vu+ Solo?

Who can help me with this issue?

Thank you in advance

p.s.: people moving to Black Hole image because of this issue, it's a pity actually... I love OpenPLi!