To pair your Apple Watch (version 3 and above running watchOS8) with an iPhone 6s or higher (with iOS 15 or above), follow these steps:
1. Put the watch on your wrist, ensuring that the band is the correct size and comfortable. You can adjust or replace the band if necessary.
2. Press and hold the side button on your Apple Watch until the Apple logo appears on the screen.
3. Enable Bluetooth on your iPhone and bring it close to the watch to initiate the pairing process.
4. When a pairing notification appears on your iPhone’s screen, tap on it to proceed.
5. Alternatively, you can open the Apple Watch app on your iPhone and wait a few moments for your watch to appear in the list of available devices to pair with.
6. Continue with the pairing process, following any additional prompts or instructions that may appear on your iPhone or Apple Watch screen.
Once the pairing is complete, your Apple Watch will be successfully connected to your iPhone.