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My Armbian user space is Ubuntu. I don't see tags on a non-Armbian Ubuntu host either, so maybe the issue is not caused by Armbian but is more related to Ubuntu vs Debian differences. Thanks.

There are big differences between the two revisions. The biggest one is, one is using Wifi/BT over USB and the other SDIO, which requires the sdio overlay. The reason for BT not working on Armbian, I have yet to figure out. Like I said before, it works on (my personal) a more minimal build; Debian GNU/Linux trixie/sid 6.12.26 #1 Sun May 4 17:50:23 EDT 2025 aarch64 BananaPi BPI-M4-Zero v2 ── DISK Filesystem Size Used Avail Use% Mounted on /dev/mmcblk2p2 29G 2.8G 26G 10% / /dev/mmcblk2p1 466M 74M 363M 17% /boot ── NETWORK Hostname: bananapim4zero Wireless: wlan0 UP 10.0.0.XX Bluetooth: hci0 AC:6A:A3:3B:D9:D6 ── SYSTEM Processor: Cortex-A53 @ 1416MHz 52°C Frequency: 1416MHz Online: 0-3 Governor: performance Memory: 3.8G 199M Entropy: 256 Uptime: 15:13:05 up 4 min, 1 user, load average: 0.01, 0.06, 0. It is hard for me to determine the reasons BT doesn't work, as the patching is very extensive. If it is even the patching? And yes I include the BT node in the overlay; https://github.com/armbian/build/blob/main/patch/kernel/archive/sunxi-6.12/patches.armbian/Add-BananaPi-BPI-M4-Zero-overlays.patch#L267 As for HDMI audio and GPU, the PR I posted a link to corrects this. In future releases and rolling (give it a day) it should now work. Although I think I need to now add my changes to the 6.14.y branch? I'll check.

Many thanks @c0rnelius but I need clarifications. I agree that for standard build, using overlays (bananapi-m4-sdio-wifi-bt and sun50i-h616-gpu build), wifi (with or without antenna) and GPU are ok, but it is not true for rolling release 570 suggested by @going , and I never got HDMI sound (no sound cards each time). Are you refering to another recent build? If HDMI sound is also available it’s great! And what about bluetooth? When you write wireless do you include bluetooth? Denis

It only works when you are already logged in Gnome, just for your session (no sudo). If you want global settings, you could try setting this via /etc/profile.d/. Create a script like: /etc/profile.d/disable-screen-blank.sh With the contents #!/bin/bash if [ "$XDG_SESSION_TYPE" = "wayland" ]; then gsettings set org.gnome.desktop.session idle-delay 0 fi and make it executable sudo chmod +x /etc/profile.d/disable-screen-blank.sh I tried it and it works for my Gnome 48 test system.