How to Pair / Unpair Casio GA-B2100 to Smartphone

In this video, I'll walk you through the complete process of pairing and unpairing your Casio GA-B2100 G-Shock with your smartphone using the Casio Watches app. We start with how to clear existing pairing data and perform a full factory reset on the watch to ensure a clean setup. From there, I'll show you step-by-step how to register your watch in the app, sync the time, and use handy features like the phone finder and remote timer settings. Whether you're setting up your "CasiOak" for the first time or troubleshooting a connection issue, this guide has everything you need to get connected. App name: Casio Watches 0:00 - How to Unpair from Watch 1:01 - How to Reset Watch Settings 1:49 - How to Unpair from Phone App 2:27 - How to Pair GA-B2100 to Phone 3:52 - Time Sync & Phone Finder 4:36 - Changing Settings via App