https://openwrt.org/toh/samknows/sk-wb8
Serial
- Connect to power using included DC adaptor
- Solder RX, TX, and GND to on-board GPIO
- Get in fallback mode by holding down WPS while attaching power
- Press F to confirm
Networking
- Fix network interface
- Connect computer to LAN1
Backup
- Run SSH on computer
https://openwrt.org/docs/guide-user/installation/generic.backup#create_full_mtd_backup_from_openwrt