Starting® Up® Your® Device®

1. Unboxing and Preparation

1.1 Check the Physical Integrity of Your Package

The very first and most critical step is ensuring the package you received has not been tampered with. Your Trezor device is shipped in a tamper-evident box. Carefully inspect the seals on both sides. They should be intact, unbroken, and show no signs of adhesive being peeled or reapplied. If there is any doubt about the integrity of the packaging, do **not** proceed with setup. Immediately contact official Trezor support and provide detailed photographs of the seals and box.

This physical inspection is a non-negotiable step in establishing trust. While the device itself is designed to be secure even if compromised before it reaches you, the physical seal provides a necessary layer of confidence that no intermediary has had unauthorized access to your specific hardware unit. Once you are confident in the packaging, you can proceed to open the box.

1.2 Required Materials Checklist

Before connecting your device, gather all necessary components. You will need: a working computer with an internet connection, a clean, private environment (free from prying eyes or hidden cameras), the provided USB cable, and the recovery seed card pack. Ensure your computer's operating system is up-to-date. **Never perform setup on a public computer or use an untrusted USB cable.**

It is strongly recommended that you disconnect from any unneeded networks or devices and silence all notifications. The recovery process requires intense focus and a distraction-free environment to prevent errors in transcription. Treat this setup process with the same diligence you would treat handling physical cash or gold. The digital assets you are about to secure are highly valuable and require this level of caution.

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2. Connecting and Installing the Bridge

2.1 Install Trezor Suite

The Trezor Suite application is the primary interface for managing your device and assets. It is a secure, open-source desktop application that interacts directly with your hardware wallet. **Do not use any third-party or browser-based wallet application during initial setup.** Navigate to the official Trezor website (verify the URL is correct) and download the latest version of the Suite for your operating system (Windows, macOS, or Linux). Always download software from the verified, official source.

2.2 The Connection Process

Connect your Trezor device to your computer using the supplied USB cable. The device screen will light up, typically displaying a lock icon and a welcome message. Your computer may automatically begin installing necessary drivers. If prompted by Trezor Suite, follow the on-screen instructions to confirm the connection. The Suite acts as the conduit between your computer's operating system and the secure element within the Trezor.

2.3 Firmware Installation or Update

Upon connection, Trezor Suite will check the device's firmware. If a new device is being set up, the application will prompt you to install the latest official firmware. This is a crucial security step. The Suite will display a unique fingerprint on the computer screen and simultaneously on the Trezor device screen. **You must visually confirm that both codes match exactly.** This verification prevents any potential attacks where malicious firmware might be installed.

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3. Generating and Securing Your Recovery Seed

3.1 Generating the Seed (The 12/18/24 Words)

The Recovery Seed (or "Seed Phrase") is the master key to your entire wallet and all its assets. It is a list of 12, 18, or 24 words generated by the device itself using a cryptographically secure random number generator. The seed is **never** displayed on your computer screen; it is **only** shown on the secure screen of the Trezor device. This isolation is the fundamental principle of your security.

3.2 The Write-Down Process (Crucial Step)

Take the provided physical recovery seed cards. With a pen (not a pencil), begin transcribing the words exactly as they appear on your Trezor screen. Write them clearly, sequentially, and double-check the spelling of each word. You should write down **two or three separate copies** and store them in different, secure physical locations. This redundancy protects against single-point-of-failure events like fire, flood, or loss.

Upon completion, the Trezor will prompt you to re-enter a few words (e.g., word 4, word 11) to confirm your transcription. This is your only chance to verify you wrote the words correctly. **If you make a mistake here, the setup process will fail, and you must restart.**

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4. Setting the PIN and Finalizing Setup

4.1 PIN Creation (Protecting the Device)

After securing your seed, you will be prompted to set a PIN (Personal Identification Number). The PIN is used to lock the device locally, preventing unauthorized use if the device is physically stolen. On the Trezor screen, you will see a randomized grid of numbers. The Trezor Suite screen will show a corresponding blank grid. You will select the position of the numbers on the computer screen based on what you see on the device screen.

Choose a strong PIN of at least 8 digits. Do not use sequential numbers (1234) or personal information (birth dates). The randomization ensures that shoulder-surfing attacks are ineffective. You will enter the PIN twice for confirmation.

4.2 Naming and Conclusion

The final step is to name your device (e.g., "MyMainWallet"). This name is for your convenience and does not affect security. Congratulations! You have successfully completed the secure setup of your Trezor. You can now use Trezor Suite to manage your cryptocurrencies. Remember: **Never share your Recovery Seed with anyone, ever.** Your seed is your money.

4.3 Ongoing Security Best Practices

• Store your Recovery Seed copies in geographically separated, secure physical locations (e.g., a home safe and a safety deposit box).
• Consider using a metal-stamping solution for extreme permanence and protection against fire/water damage.
• Enable **Passphrase** (advanced feature) for an extra layer of security once you are comfortable with the basic operation.
• Only connect your device when necessary to perform transactions.

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