User manual:Updating the Trezor device firmware
The purpose of this guide is to help the user to update the Trezor device firmware. This page applies to Trezor Model T (show for Trezor One).
Updating the device firmware is often the only way to expand the functionality of your Trezor, to apply new security measures, and to enable newly developed features.
When a new firmware version is released, Trezor Wallet will display an easily noticeable bar in the upper part of the wallet interface.
Clicking the Show details button allows you to review the changes brought with the update and displays instructions asking you to connect the device in bootloader mode.
To check your current firmware version, enter bootloader mode (see below) or go to the Advanced settings in Trezor Wallet. To see the firmware changelog, see Trezor firmware changelog.
1. Entering bootloader mode[edit]
Start swiping your finger across the touchscreen and plug in the USB cable while continuously touching the screen and moving your finger back and forth (or in circles). To enter the bootloader mode, the touchscreen has to register touch while booting the device.
Once connected in bootloader mode, confirm the connection by tapping the green checkmarkthis short video.
. You can see the process illustrated in
2. Updating the firmware[edit]
When in bootloader mode, you can choose to either update the firmware or reset the device completely. Read the instructions and warnings carefully and check the relevant box to enable the button. Confirm the update on your device and let the Trezor update the firmware.
Let the device load the new firmware. Do not disconnect the device while the firmware is loading.
Do not hesitate to contact us via Support center if you encounter any unexpected behavior, notifications, or warnings during the update process.