Overview
The Trezor Wallet App provides an accessible interface to manage cryptocurrencies while keeping private keys on a Trezor hardware device. It acts as a companion to the hardware wallet, enabling portfolio viewing, transaction creation, signing requests, account organization, and integration with decentralized applications when required. Importantly, the app preserves the hardware wallet security model: keys remain offline, and all signing is performed on the device itself.
Core App Features
- Portfolio dashboard: See balances, recent transactions, and portfolio distribution in one place.
- Send & receive: Create transactions in the app; confirm and sign on your Trezor device before broadcast.
- Address verification: Always verify addresses on-device to prevent host tampering.
- Multiple accounts: Organize funds across accounts for trading, savings, and tax reporting.
- Passphrase support: Optional passphrase support for hidden wallets and additional privacy.
- QR code support: Scan receive addresses and share payment requests securely from the app.
- Transaction history export: Download CSV or reports for accounting and taxes.
Getting Started: Setup & Connection
The app can be used on mobile devices as a companion to the hardware wallet or on desktop as the primary interface. Below are secure setup steps for both environments.
Mobile setup
- Install the official Trezor Wallet App from the device's app store.
- Open the app and choose to Connect Hardware Wallet or use the app as a read-only portfolio viewer if you do not have the device attached.
- Use Bluetooth or USB (depending on device and platform) to pair the Trezor device; follow on-screen pairing prompts and confirm the pairing on the device screen.
- Once paired, the app will display account balances and allow transaction creation; remember that signing must be confirmed physically on the hardware device.
Desktop setup
- Download and install the official desktop client when available, or use the web interface with the recommended companion Bridge service.
- Connect the Trezor device via USB, unlock it using your PIN, and open the app to detect accounts.
- Configure optional settings: notifications, auto-lock time, and default account views.
Security note: Always obtain the app or client from official channels and verify installations. Never input your recovery seed into the app—restore only on a trusted hardware device when necessary.
Secure Workflow for Transactions
Maintaining a secure transaction flow reduces chances of mistakes or attacks. Follow these steps whenever you send funds.
- Create transaction in the app: Enter recipient address and amount in the app interface; set fees as required by the network.
- Preview details on-app: Confirm the data and check any alerts or fee suggestions.
- Verify on-device: The Trezor device will display the exact recipient address and amounts—confirm these on the hardware screen before approving.
- Sign and broadcast: Approve on-device to create the signed transaction, then allow the app to broadcast the signed payload to the network.
- Confirm broadcast: Check transaction status in the app and optionally verify on-chain with a block explorer if needed.
Never approve transactions based solely on app displays—host devices can be compromised; the hardware device's screen is the final trusted source.
Backup & Recovery
The recovery seed is the single most important backup for your wallet. The app does not replace the seed; it only interacts with the hardware device. Follow these backup best practices:
- Write the recovery seed clearly on supplied cards or metal backup plates designed for seed storage.
- Store copies in separate secure locations to guard against fire, theft, or localized disasters.
- Test your recovery on a spare device with small funds to ensure the seed works and is accurately recorded.
- If you use passphrases, maintain a separate secure backup for the passphrase itself—losing a passphrase can make funds irrecoverable.
Privacy & Account Management
The app shows transaction history and balances—consider privacy choices in how you organize accounts and addresses:
- Create multiple accounts to segregate activity (trading vs long-term holding).
- Use fresh receive addresses when privacy is a concern to reduce address linkage on-chain.
- Be mindful of third-party integrations and dApps: grant only necessary permissions.
Troubleshooting Common Issues
Most problems are simple to resolve. Below are common symptoms and remedies.
App cannot detect device
- Ensure USB/Bluetooth connection is enabled and the cable supports data transfer.
- Unlock the device with your PIN before attempting a connection.
- Restart the app and reconnect the device; try a different port or cable if needed.
Transactions failing
- Confirm the correct network is selected (for multi-chain wallets).
- Increase fees during congestion or retry with adjusted gas settings where applicable.
- Check for pending transactions that might affect account nonce ordering on certain chains.
App crashes or freezes
- Update the app to the latest version and ensure the host OS is current.
- Clear app cache or reinstall the client; reconnect the device afterwards.
Advanced Tips
- Use hardware wallets for large balances: Keep only operational funds in hot wallets; store the rest in hardware custody.
- Split keys with multisig: For organizations or high-value holdings, consider multisignature setups to require multiple approvals per transaction.
- Limit app permissions: Review and remove dApp permissions you no longer use to reduce exposure.
- Watch for phishing: Always confirm app authenticity and be suspicious of unsolicited prompts to approve transactions.
Frequently Asked Questions
Can I use the app without a hardware device?
Yes—some versions of the app provide read-only portfolio views or limited functionality without a connected device. Full signing capability requires a hardware wallet.
What if I lose my phone with the app installed?
Losing the phone does not give control over funds if the hardware wallet and seed are secure. Remove paired device entries if possible and monitor accounts. Use your seed to restore access on a new device when needed.
Is my seed stored in the app?
No—the app does not store your recovery seed. Seeds are generated and stored on the hardware device; treat the seed as the highest-value secret.
Conclusion
The Trezor Wallet App provides a convenient and secure way to access and manage your crypto portfolio while preserving the safety guarantees of hardware key custody. By following secure setup, verifying transactions on-device, maintaining robust backups, and using recommended operational practices, you can enjoy mobile and desktop convenience without sacrificing key security. Whether you manage small holdings or an institutional treasury, the app and hardware combination supports secure, auditable, and flexible portfolio workflows.