Downgrade firmware Trezor Safe 3

Process

• With your device connected, navigate to the Device settings tab in Trezor Suite
• To check which firmware version you currently have installed, scroll down to the Firmware section:

• Scroll down to the Danger Area, where you'll see the Install custom firmware section:

• Select Install firmware, which will bring up the Install custom firmware window:

• For step 1, click on the link github.com button, which will take you to the Trezor firmware repository on Github
• Select the firmware version you wish to install, and download the appropriate .bin file to your computer
• In step 2 - ‘Upload firmware’ - you can either ‘drag and drop’ the downloaded file into the dashed box, or click the box and select the file manually
• When you’ve done this, click the Install firmware button:

• You will then face a security checkpoint asking whether you have your wallet backup (recovery seed) handy. Check the ‘Yes, I do!’ box, and then click Continue:

• You’ll then be prompted to restart your Trezor in bootloader mode by following the instructions given on your device:

• Press the Restart button on your Trezor Safe 3 to start the device in bootloader mode.
• Then press the Install FW button on your Trezor Safe 3.
• Then press both buttons simultaneously to begin the FW installation.
• Trezor Suite will keep you updated regarding the installation progress:

• Once the installation is complete, you'll receive a cofirmation dialogue, and can then click on Close to end the downgrade process:

• You can then reconnect your device and you’re ready to use Trezor Suite with your Trezor Safe 3 running the specified firmware.
• As you’ve downgraded your firmware, Trezor Suite will display a blue update banner at the top of the screen. If you want to update your device, simply click on ‘Update now’ and follow the instructions.
• When upgrading the device firmware, you do not have to download any files from the Trezor firmware Github repository, and the process is automated as much as possible.

Trezor Safe 3 downgrade options