Garmin Fenix 3 HR Battery Replacement

ID: 105303

Description: This guide will give you step-by-step...

Steps:

1. Remove the five 7mm screws with H1.3 hex screwdriver.

2. Use a plastic opening tool to remove the face of the device to expose the inner components.
3. There is one metal piece at the top of the face that is loose. This is the GPS antenna which will need to be removed as well.
4. Be careful with the ribbon that connects the motherboard to the display.

5. Proceed to disconnect the ribbon from the motherboard using tweezers.

6. Using a T5 screwdriver, remove the two 5mm screws.
7. The motherboard should now move freely.

8. Another ribbon is attached to the top of the motherboard. Disconnect this ribbon.

9. Disconnect wires connecting battery to motherboard.

10. The battery is glued to the motherboard and will need pried off using the nylon spudger.

11. Now attach the new battery with adhesive and reassemble.