System Requirements
Hardware, software, and network requirements.
System Requirements
Supported devices
Recommended tablets
- iPad Pro (12.9" or 11")
- iPad Air (10.9")
- Samsung Galaxy Tab S9
- Microsoft Surface Pro
Minimum requirements
- Screen size: 10 inches recommended
- RAM: 4GB minimum
- Storage: 64GB minimum
- Browser: Chrome, Safari, or Edge (latest version)
- Internet: 10 Mbps download minimum per device
Network requirements
- All devices need outbound HTTPS (port 443) and WebSocket (WSS) access.
- Use a stable Wi-Fi network. A 5 GHz network is recommended for busy retail environments.
- Latency under 100 ms to the DubLedger origin is recommended for the best POS experience.
Browser settings
- Keep the browser up to date.
- Allow cookies and local storage for session management.
- Do not use private browsing mode for long-running POS sessions, because sessions rely on browser storage.