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Trezor.io/Start® — Starting Up Your Device | Trezor® Official Guide

TREZOR.IO/START® — STARTING UP YOUR DEVICE

The Official Guide to Absolute Cold Storage Security

📦 Section 1: Initial Security Inspection and Verification

Before connecting your new Trezor device, your first responsibility is to confirm the physical integrity of the product. This crucial step prevents the use of any potentially tampered hardware.

1.1 Physical Verification Checklist

  • **Factory Seals:** Examine the tamper-evident seal on the packaging. On newer models (Model T, Safe 3), this involves checking the holographic or magnetic seals. They must be perfectly intact, showing no signs of having been tampered with, peeled, or replaced.
  • **Device Condition:** Your Trezor device should arrive without pre-installed firmware. If the device displays a firmware or seed prompt upon connection *before* you install the Trezor Suite and follow this guide, contact support immediately.
  • **Contents:** Ensure all accessories are present, including the USB cable, the essential Recovery Seed card(s), and any documentation.

If the packaging shows any sign of compromise, **do not proceed**. Contact the official Trezor support team immediately via trezor.io/support.

⬇️ Section 2: Acquiring the Trezor Suite App

The Trezor Suite is the official, comprehensive software interface for your Trezor hardware wallet. It is mandatory for setup and daily use, providing a highly secure environment that internalizes all necessary communication protocols.

2.1 Secure Download Procedure

  1. **Manual URL Entry:** Open your web browser and manually type the starting URL: https://trezor.io/start. This directs you to the only official source for the Trezor Suite download.
  2. **Select Desktop Application:** Choose the desktop installer (.exe, .dmg, or Linux package). The Trezor Suite desktop app provides the maximum level of security and isolation, circumventing browser-based risks.
  3. **Install and Launch:** Run the installer and grant the necessary permissions. Launch the Trezor Suite application to begin the setup wizard.

Note on Trezor Bridge: The Trezor Suite desktop app integrates the secure communication link (historically the role of Trezor Bridge®), meaning you typically do not need to install the separate Bridge component.

🔑 Section 3: Critical Security Initialization Steps

Connect your Trezor device to your computer via the USB cable. The Suite will now guide you through the process of installing firmware, creating your wallet, and setting up critical backups.

3.1 Firmware Installation and Authentication

The Suite will detect your new device and prompt you to install the official Trezor firmware. During this process, a cryptographic check is performed to ensure the firmware file is genuinely signed by SatoshiLabs, protecting your device from software tampering.

  • **Install Firmware:** Proceed as prompted by the Suite.
  • **Verify:** Confirm the installation on the Trezor device's screen.

3.2 Generating and Securing Your Recovery Seed

Your Recovery Seed (12, 18, or 24 words) is the ultimate backup key to your cryptocurrency. It must be handled with the utmost security.

  1. **Create New Wallet:** Select this option in the Suite.
  2. **Exclusive Display:** The Recovery Seed words will only appear on the **Trezor device's physical screen**.
  3. **Handwrite Meticulously:** Write the words precisely, in order, onto the provided paper backup card(s). **Do not take photos, type them on a computer, or store them digitally.**
  4. **Test Verification:** The Suite may guide you through a verification step, requiring you to confirm the words back to the Trezor device (not the computer).
  5. **Cold Storage:** Secure your physical seed card(s) in a fireproof, private, and remote location, away from the device itself.
NEVER DIGITIZE YOUR SEED: Your Recovery Seed should exist only on paper (or metal) and in your Trezor device. If you ever enter your seed onto a connected device, your funds are immediately at risk.

3.3 Setting the PIN Code

You must set a PIN code for daily device access. The Suite utilizes a randomized number pad on the Trezor screen, preventing computer-based keyloggers from tracking your input. Choose a strong, memorable PIN of at least 4 digits (up to 50 allowed on some models).

💰 Section 4: Secure Portfolio Management in Trezor Suite

With your device initialized and secured, the Trezor Suite becomes your command center for all crypto operations, always mediated by the hardware's security.

4.1 Account Synchronization and Organization

Use the Suite to effortlessly add accounts for all supported cryptocurrencies. The application securely derives your public addresses from your device and synchronizes the blockchain data to display your real-time balances and transaction history.

4.2 The Verification Imperative

Every critical action you take must be physically confirmed on the Trezor device:

  • **Receiving:** Double-check the receiving address on the Trezor screen matches the one displayed in the Suite before sharing it.
  • **Sending:** When sending funds, the Suite pushes the final transaction data (recipient address, amount, fee) to the Trezor screen. You must physically approve these details using the buttons on the device.

4.3 Advanced Feature Access

The Suite provides simple controls for enabling features like **Passphrase** (25th word), **Tor privacy** routing, and **Coin Control**, ensuring you have access to expert-level security tools when needed.

✅ Section 5: Finalizing Your Security Commitment

You are now a sovereign manager of your digital wealth. Uphold the final security commitment:

  1. **ALWAYS Verify** the Trezor device screen before confirming any action.
  2. **ALWAYS Use** the Trezor Suite Desktop application.
  3. **ALWAYS Safely Eject** your Trezor device via the Suite interface before unplugging the USB cable.

Welcome to Trezor—the most secure and reliable way to manage your cryptocurrency. We are committed to your self-sovereignty.