If your screen is working and you can navigate the menus, this is the safest method.
Here is the for performing a hard reset (factory reset) on the MONTBLANC Summit 2 (running Wear OS by Google). How to Hard Reset MONTBLANC Summit 2
: While powering it back on, press and hold one of the auxiliary buttons (the two buttons flanking the digital crown). If your screen is working and you can
To avoid losing important data, we recommend that you: To avoid losing important data, we recommend that
: If done correctly, a menu will appear. Use the buttons to navigate to "Wipe data/factory reset" and press the power button to select it. Method 3: Unlocking a Forgotten PIN/Password
If you have the Montblanc Connect app installed on your smartphone, you can use it to perform a hard reset on your MONTBLANC Summit 2. Here's how: