How to first boot with only W-lan?

Support and Troubleshooting
1 
In the past, you could load a wpa...conf file containing your Wi-Fi credentials into the boot folder and connect via Wi-Fi immediately.

This is no longer possible in 2025/2026. An older version of the software is no longer available for download.

WTF!

How can I get Umbrel working again without Ethernet/LAN, using only Wi-Fi?
2

you can’t

3

Attach a USB Keyboard and Monitor should work to login via ssh. From there, you would need to configure network via CLI.

4

First of all, you should be able to download olders versions of Umbrel OS here: Releases · getumbrel/umbrel · GitHub

Second, I’d try with wpa_supplicant + systemd service + dhcp

5

You will need to use a terminal or login locally to Umbrel via SSH or comm port.

Use;

sudo nmcli device wifi connect (SSID) (password)

Use a known ssid in the area shown, and the password for that ssid… it will auto connect after reboot as well…

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