If you do not want to purchase the app, the only way to get rid of the "kzl.io" screen is to stop using that specific watch face or app. How do I get rid of this message without paying? : r/Garmin
If you have previously paid for this app and it is asking for a code again (for example, after a factory reset), do not pay twice: Go to kzl.io/unlock.
The website (often just kzl.io ) is the homepage for Kizil.io , a developer portfolio and link-in-bio tool designed specifically for programmers. It allows you to create a clean, terminal-style or card-style profile to showcase your projects, skills, and social links.
To resolve this, you must either unlock the feature with a one-time payment or remove the app from your device. How to Use the Code to Unlock Your App