Installation & setup (step-by-step)
1. Verify source: Always use the Trezor official site or verified package repositories. Avoid third-party mirror sites to reduce phishing risk.
2. Download: Choose the correct installer for your OS. For macOS, a .pkg or signed installer; for Windows an .exe or MSI; many Linux users use packages or Homebrew where available.
3. Install & run: The Bridge runs in the background and listens on localhost. Connect your device by USB and open the desktop app or browser interface. Confirm any on-device prompts to authorize access.
Troubleshooting common problems
- Device not detected: Try a different USB cable/port and ensure the device is unlocked. On Windows, check driver prompts; on macOS, allow system permissions if prompted.
- Browser issues: Modern browsers shifted to WebUSB and Trezor Suite integrations; a standalone Bridge may be deprecated in newer releases — see migration notes below.
- Multiple Bridge instances: Uninstall older Bridge installs to avoid conflicts with Trezor Suite built-in support.
Uninstall & migration
If you have an older standalone Bridge installed, it may be recommended to uninstall it and migrate to the current Trezor Suite or browser-native methods. Follow OS-specific uninstall instructions (macOS/Windows/Linux) and confirm the Suite or browser recognizes your device after removal.
Security & best practices
Bridge is a local helper — it does not and cannot sign transactions without you confirming on the physical device. However, you should:
- Only download Bridge from the official website or verified package manager.
- Verify installers with PGP signatures when provided.
- Keep your device firmware and Suite/app updated to the latest signed versions.
- Never share your seed phrase or enter it into software that is not a trusted recovery method.
Notes on deprecation & the modern workflow
Product teams have in recent years moved towards bundling communication into the official desktop app (Trezor Suite) or relying on browser WebUSB where supported. That means standalone Bridge installations are deprecated in many workflows; uninstalling older Bridge installations and migrating to the official Suite simplifies updates and reduces conflicts.
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This page is an unofficial guide. Always consult the official vendor documentation for the most current instructions and security advisories.