mkdir -p ~/.config/systemd/user nano ~/.config/systemd/user/v2ray.service Paste:
v2ray run -config ~/.config/v2ray/config.json Press Ctrl+C to stop after confirming no errors. steam deck v2ray
The most reliable approach for Steam Deck is command-line V2Ray core with a systemd user service . It runs quietly in the background, works in both Desktop and Game modes, and survives system updates (reinstall only if Pacman packages are wiped). Avoid GUI clients – they add unnecessary overhead on the Deck’s constrained resources. mkdir -p ~/
sudo steamos-readonly disable