If you see a screen with every Brawler unlocked and 999,999 coins, it worked.
Every message sent between client and server follows a strict structure: brawl stars private server tutorial work
Do not ever click "Sign with Google/Facebook/Supercell ID" inside a private server. The private server can capture that token. Within 24 hours, your real account will be banned for "Suspicious Activity." If you see a screen with every Brawler
To make the server accessible to other players, you'll need to configure port forwarding on your router: brawl stars private server tutorial work