How to Replace the Back Cover on the Apple Watch Ultra 2 (DIY Repair Guide)

Does your Apple Watch Ultra 2 (model numbers: A2986 and A2987) deliver unreliable heart rate readings? Do you see dust buildup around the rear seals, moisture marks inside the watch, or feel discomfort on your wrist? If you experience any of these symptoms, it’s time to replace the back cover on your Apple Watch Ultra 2.

In this DIY repair guide, we show you how to replace the back cover on the Apple Watch Ultra 2 with new OEM spares without technical skills or expertise. You will find all the tools required for this repair and original replacement parts below.

Want to get your Apple Watch Ultra 2 repaired by a professional? Send us the smartwatch, and our repair ninjas will restore it to peak working condition. Follow the link, select all the issues that you’re experiencing, and click See Estimated Total to view the total repair cost instantly.

Repair Difficulty

Easy / Requires 10-15 minutes to complete.

This repair requires carefully removing the worn-out back cover without damaging the delicate ribbon cable and handling a heat gun. You don’t need prior experience or technical skills to complete the repair. With a bit of patience and attention to detail, you can replace the back cover on the Apple Watch Ultra 2 yourself.

Replacement Parts You’ll Need

Restore the form and functionality of your Apple Watch Ultra 2 with original replacement parts. Select the OEM spares from the drop-down menu below and bring your device back to peak working condition.

• Apple Watch Ultra 1st 49MM (LTE) Repair Replacement Spare (Titanium)

• Apple Watch Ultra Back Cover + LCD Screen Fix Repair - Kit

Get an OEM replacement back cover for your Apple Watch Ultra 2 smartwatch today. Click the link to visit our store, then scroll down to the Customers Also Add section to purchase the original replacement part and the tools you’ll need for this repair at a discount.

Tools You’ll Need

Before starting the back cover replacement on the Apple Watch Ultra 2, gather the following tools. Using the correct tools will help you complete the repair successfully, without damaging delicate internal components, including cables and ports. We used the following tools and recommend them for safe, professional-quality DIY back cover replacement at home.

• Pentalobe (P5) 1.2mm 5-Point Screwdriver
• Nylon Spudger
• Flexible Pry Tool
• Heat Gun
• Joe’s Isopropyl Alcohol
• Joe’s Cold-press Glue
• Heat-proof Anti-skid Rubber Work Mat

Not ready to invest in tools yet? Find your device in our repair catalog, select the issues it’s experiencing, and send it to us. Our repair ninjas will restore your device to peak working condition.

Step-by-Step DIY Guide to Replacing the Back Cover on the Apple Watch Ultra 2 at Home

In this detailed DIY repair guide, we show you how to replace the worn-out back cover on the Apple Watch Ultra 2 yourself. Follow each step carefully and use the accompanying images as a visual guide to complete the repair with confidence.

Step 1: Remove the Worn-out Back Cover

1.1. Extract the 4 screws using a Pentalobe (P5) 1.5mm screwdriver and store them safely in the slot provided on the work mat.

1.2. Apply heat uniformly around the seam of the back cover using a heat gun. We set the temperature to 200°C (392°F) with an airflow of 50 for 90 seconds.

1.3. Insert a strong metal pry tool in the seam between the device and the back cover and gently pry away to separate the two halves. Dip the pry tool in isopropyl alcohol frequently to dissolve the adhesive and prevent contamination.

1.4 Disconnect the main ribbon cable.

Step 2: Install New Back Cover

2.1. Wipe the old adhesion surface using isopropyl alcohol before installing a new back cover. Store the small metal brackets safely for reinstallation.

2.2. If the old adhesive is worn out, apply fresh adhesive along the seam.

2.3. Install the small metal brackets on the new back cover.

2.4. Connect the ribbon cable and the second connector with the new back cover.

2.5. Fasten the 4 small screws.

Congratulations! Your Apple Watch Ultra 2 is Ready to Use

You have successfully replaced the worn-out back cover on the Apple Watch Ultra 2 with original replacement parts. If you applied fresh adhesive, let it cure for 24 hours for a waterproof seal. Remember to test the buttons, Bluetooth pairing, and heart rate monitoring to ensure the smartwatch is working properly.

If you found this guide helpful and would like to try your hand at DIY gadget repair, visit our store for essential tools and spare parts. You can also check out our at-home DIY smartwatch repair guides for other popular brands, including Apple, Fitbit, Garmin, and Samsung.

Have questions or suggestions about this repair? Text a repair ninja or email us, and we’ll reply shortly.