Apple Watch Ultra Setup: A Complete Step‑by‑Step Guide

Ali Mohammadi

a close up of a watch on a desk near a keyboard

The Apple Watch Ultra is built for performance, durability, and adventure. Whether you just unboxed it or reset it for a fresh start, this guide walks you through setting up Apple Watch Ultra quickly and correctly, plus tips to customize it for daily use, fitness, and outdoor activities.


What You Need Before Setup

Before you begin, make sure you have:

  • An iPhone running the latest version of iOS
  • Bluetooth and Wi‑Fi turned on
  • Your Apple ID and password
  • At least 50% battery on both devices

📌 Apple Watch Ultra requires an iPhone XS or later.


Step 1: Power On Apple Watch Ultra

  1. Press and hold the Side button until the Apple logo appears.
  2. Wait for the pairing screen to appear.

Step 2: Pair Apple Watch Ultra With Your iPhone

Automatic Pairing (Recommended)

  1. Bring your iPhone close to the watch.
  2. When prompted, tap Continue.
  3. Align the watch face inside the iPhone’s camera frame.
  4. Wait for pairing to complete.

Manual Pairing (If Needed)

  1. Tap Pair Apple Watch Manually on your iPhone.
  2. Select the watch name.
  3. Enter the code displayed on the watch.

Step 3: Set Up as New or Restore From Backup

  • Set Up as New – Best for first‑time users
  • Restore From Backup – Restores apps, settings, and watch faces

✅ Choose the most recent backup for the smoothest experience.


Step 4: Sign In With Your Apple ID

  • Enter your Apple ID and password
  • Enable Find My
  • Choose whether to enable Activation Lock

🔐 This keeps your watch secure if it’s lost or stolen.


Step 5: Choose Core Settings

During setup, you’ll configure:

  • Passcode (recommended)
  • Wrist preference (left or right)
  • Text size & display zoom
  • App installations
  • Siri settings

Step 6: Set Up Cellular (Optional but Recommended)

Apple Watch Ultra includes built‑in cellular.

  1. Tap Set Up Cellular during setup
  2. Sign in to your carrier account
  3. Choose a plan

📡 This lets you make calls, send texts, and use data without your iPhone nearby.


Step 7: Customize the Action Button

The Action Button is exclusive to Apple Watch Ultra.

  1. Open the Watch app on your iPhone
  2. Tap Action Button
  3. Choose a function:
    • Workout
    • Stopwatch
    • Waypoint
    • Dive
    • Backtrack
    • Shortcut

🎯 You can also assign custom shortcuts.


Step 8: Configure Fitness & Health Features

  • Set Activity goals
  • Enable Heart RateECG, and Blood Oxygen (where available)
  • Turn on Fall Detection and Crash Detection
  • Customize Workout views for hiking, diving, and running

Step 9: Choose Watch Faces & Complications

Apple Watch Ultra includes exclusive faces like:

  • Wayfinder
  • Modular Ultra
  • Explorer

Add complications for:

  • Weather
  • Compass
  • Altitude
  • Battery
  • Workout metrics

Step 10: Finish Setup & Sync Apps

  • Allow apps to install
  • Keep devices near each other
  • Wait for syncing to complete (may take 10–30 minutes)

✅ Once complete, your Apple Watch Ultra is ready to use.


Setup Tips for Best Performance

✔ Enable Optimized Battery Charging
✔ Update watchOS after setup
✔ Use Dual‑Frequency GPS for outdoor workouts
✔ Adjust brightness for battery life


Troubleshooting Setup Issues

  • Restart both devices if pairing fails
  • Reset network settings on iPhone if cellular setup fails
  • Ensure iPhone and watch are updated
  • Use manual pairing if camera pairing doesn’t work

Final Thoughts

Setting up Apple Watch Ultra is straightforward, but taking the time to customize features like the Action Button, fitness metrics, and cellular makes a big difference. Once configured, it’s one of the most capable smartwatches available.