[solved] Currently having trouble with ipad 3 on ipadOS 9.3.6

edit: the solution presented itself. the vm didnt catch the itunes connection although it caught the device. leaving the device connected while rebooting it made the change. solved.

Hi folks, I'm a tinkerer and like to hack old devices. Currently running postmarketOS on an old oneplus6. Now I want to try to repurpose my old ipad 3 with LTE.

Edit: The problem might be the windows vm since an iphone 11 with linghtning cable also doesnt get recognized.

For that purpose I have tried:

• https://jailbreaks.app/legacy.html -> phoenix (Error: app could not be installed at this time)
• windows VM (I'm on linux) with usb connect, I can see the ipad in device manager and open the harddrive but neither itunes nor sideloadly will connect to it. impactor also wont recognize the device
• exchanging the cable for a different (newer) one, also no change
• resetting the ipad to factory settings to free up space, no change
• reinstalling itunes, icloud, sideloadly
• restarting between each step

I'm kind of running out of ideas at this point. I generally have a debug device which I could try and use on the ipad but I struggle to find resources on lower level hardware hacking for the ipad. Let me know if you have any other ideas.

Have a good one!