Polar M400 Watch Screen Replacement

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What you need

Step 1 Wrist Strap

Polar M400 Watch Screen Replacement, Wrist Strap: step 1, image 1 of 1

Insert a standard paper clip into the holes on both sides of the watch that connect the watch's face with the wrist strap.

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Step 2

Tool used on this step:

Tweezers

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Apply an upward pressure to the holes until the locking pins release.
Use precision tweezers to remove the pins that connect the face with the strap.

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Step 3

Once the pins are released, the old wrist strap should snap off.
Simply lock the new wrist strap into place.

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Step 4 Battery

Polar M400 Watch Screen Replacement, Battery: step 4, image 1 of 1

Use the T5 head on the iFixit screwdriver to unscrew the four screws on the back of the watch’s face.

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Step 5

Gently remove the backing from the watch.

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Step 6

Tool used on this step:

Tweezers

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Use tweezers to gently pry the golden sensor away from the battery.
Remove battery using the plastic opening tools.

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Step 7 Screen

Polar M400 Watch Screen Replacement, Screen: step 7, image 1 of 2

Polar M400 Watch Screen Replacement, Screen: step 7, image 2 of 2

Detach the screen from the screen protector using a PH000 screwdriver.

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Step 8

Attach a new screen to the screen protector.
Make sure that the charging port remains accessible, as it can easily become detached during the replacement.

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Conclusion

To reassemble your device, follow these instructions in reverse order.

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6 other people completed this guide.

Author

with 2 other contributors

Nicholas Sanders

Member since: 09/28/17

543 Reputation

2 Guides authored

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Team

University of Maine, Team S1-G3, Diaz Fall 2017 Member of University of Maine, Team S1-G3, Diaz Fall 2017

UMAINE-DIAZ-F17S1G3

4 Members

9 Guides authored

10 Guide Comments

Hi, where can i buy the replacement?

Thanks

Mario Sánchez-Barriga Marín - Feb 8, 2018 Reply Share

hi,where can I buy the usb replacement.

GamesFISH_1989 - Mar 7, 2018 Reply Share

Hi, were can i buy the replacement. Thanks

Julien Genon - Aug 21, 2018 Reply Share

https://www.allsystem.cz/

I bought a connector USB there… Maybe can be interesting for someone else…

manuel caudera - Mar 8, 2019 Reply Share

hello manuel,

i tried to order from the web site you specified, but it looks like they are not delivering in france,

cna you please tell me where else i can order this peice

Mathieu Poncet - Aug 20, 2019 Reply Share

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Polar M400 Watch Screen Replacement

What you need

Step 1 Wrist Strap

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Step 2

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Step 3

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Step 4 Battery

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Step 5

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Step 6

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Step 7 Screen

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Step 8

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Author

Nicholas Sanders

Team

University of Maine, Team S1-G3, Diaz Fall 2017 Member of University of Maine, Team S1-G3, Diaz Fall 2017

10 Guide Comments

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