A strong PIN is a crucial security feature of your Trezor Safe 3, so it’s important that you avoid making any mistakes when setting a PIN and entering it to unlock your device.
You will need to select numbers using the two buttons on your Trezor Safe 3.
To choose a number, use the left and right-hand side buttons to scroll in either direction. The small arrows displayed on the screen (highlighted below in red) indicate the ‘direction of travel’ of the cursor:
When you’re happy with your choice, you can Select that number by pressing both buttons at once, and your device will register the input: