https://www.alpinelinux.org/

• boot device into oowow mode
• Select oowow - wizard and chose alpine/ and select available image version for installation
• install and reboot

login under root user without password. continue setup by common alpine manuals or use khadas special simple script

Welcome to Alpine Linux 3.23.0_alpha20250612 (edge)
Kernel 6.1.84-0-lts_edge2 on aarch64 (/dev/ttyFIQ0)

localhost login: root
Welcome to Alpine!

The Alpine Wiki contains a large amount of how-to guides and general
information about administrating Alpine systems.
See <https://wiki.alpinelinux.org/>.

You can setup the system with the command: setup-alpine

You may change this message by editing /etc/motd.

localhost:~# 

Additional helpers and script will be stored in /media/mmcblk0p1/ read more about khadas special simple script

complete setup

cd /media/mmcblk0p1/

https://docs.alpinelinux.org/

setup wi-fi

apk add --quiet --no-progress iw wpa_supplicant
mkdir -p /etc/wpa_supplicant
wpa_passphrase WIFI_SSID WIFI_PASSWORD > /etc/wpa_supplicant/wpa_suppl
icant.conf
rc-update --quiet add wpa_supplicant boot
rc-service wpa_supplicant restart
udhcpc -i wlan0

Just few script which can help automate some steps for use and made setup/installation process as simple as possible

ls -l1 /media/mmcblk0p1/

alpine-disk-cleanup.sh
alpine-net-lan.sh
alpine-net-wifi.sh
alpine-net-wifi.sh.conf
alpine-sd-image-update.sh
alpine-setup-lan.sh
alpine-setup-lan.sh.conf
alpine-setup-offline.sh
alpine-setup-offline.sh.conf
alpine-setup-wifi.sh
alpine-setup-wifi.sh.conf
apks
boot