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Garmin Forerunner 620 Battery Replacement

What you need

  1. Garmin Forerunner 620 Battery Replacement, Battery: step 1, image 1 of 2 Garmin Forerunner 620 Battery Replacement, Battery: step 1, image 2 of 2
    • Detach the screen.

  2. Garmin Forerunner 620 Battery Replacement: step 2, image 1 of 1
    • Unscrew the mainboard (2x Torx)

  3. Garmin Forerunner 620 Battery Replacement: step 3, image 1 of 3 Garmin Forerunner 620 Battery Replacement: step 3, image 2 of 3 Garmin Forerunner 620 Battery Replacement: step 3, image 3 of 3
    • Replace (and re-solder) the battery.

  4. Garmin Forerunner 620 Battery Replacement: step 4, image 1 of 1
    • Replace the screen if necessary.

  5. Garmin Forerunner 620 Battery Replacement: step 5, image 1 of 3 Garmin Forerunner 620 Battery Replacement: step 5, image 2 of 3 Garmin Forerunner 620 Battery Replacement: step 5, image 3 of 3
    • Reassemble and re-glue after testing the device.

Conclusion

To reassemble the device, follow the instructions in reverse order.

One other person completed this guide.

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phico

Member since: 03/22/21

295 Reputation

2 Guides authored

2 Comments

Bonjour, quelle est la référence de la colle ?

sciencedesclem - Reply

I am replacing the battery in my 620. I seperated the plastic top screen from the lower touch screen, they are joined by UV glue. The photos in this tear down show these as being seperated prior to reassembly. Per the photos there is a contact point between the 2 parts at the bottom of the screen, the guide does not mention the 2 parts being rejoined. Currently GPS cannot get a lock so I wonder if the top plastic screen is the GPS antenna but cannot find anything online on where the antenna is. Any idea on this. Thanks

Paul - Reply

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