Account setup emojis speak the language of onboarding and security. Use 👤🆕🔑 when announcing a new profile or login, and 📝🔗🔒 to hint at terms acceptance or linking services. For mobile sign-ups, 🔒📲📝 nails that locked-down, app-based vibe. These combos fit well in app tutorial texts, password reset alerts, or quick reminders to update credentials.