Introduction

The Motorola Moto 360 is very delicate. Utmost caution must be taken when using the tools. Use this guide to replace the battery in your device. The battery part numbers are FW3S and FW3L for the 42mm and 46mm respective case sizes.

Heat an iOpener and place on the rear cover to soften the adhesive underneath.
  • Heat an iOpener and place on the rear cover to soften the adhesive underneath.

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Insert an opening pick or opening tool in the small notch by the microphone hole, underneath the plastic trim ring. With the opening tool under the plastic ring, move the tool around the edge of the watch, gently prying up the ring as you go.
  • Insert an opening pick or opening tool in the small notch by the microphone hole, underneath the plastic trim ring.

  • With the opening tool under the plastic ring, move the tool around the edge of the watch, gently prying up the ring as you go.

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Use fingernails or an opening tool or pick to pry the plastic trim off of the button. Be careful to apply even pressure around the ring when prying, as there are three retainer prongs that can be broken if the ring is twisted or tilted while being pulled out. Use a small six pin spanner to unscrew the button from the case.
  • Use fingernails or an opening tool or pick to pry the plastic trim off of the button.

    • Be careful to apply even pressure around the ring when prying, as there are three retainer prongs that can be broken if the ring is twisted or tilted while being pulled out.

  • Use a small six pin spanner to unscrew the button from the case.

    • If you don't have access to the proper spanner, you can use a pair of tweezers or a very small screwdriver to unscrew the button assembly.

    • There is blue thread locker on these threads, so light heat on the button side of the case may help.

  • Completely unthread this and remove the button assembly from the case.

The button does not unscrew! It just spins endlessly!!! This guide is flawed!!!

Jason Goldsmith - Reply

Yes the button will spin endlessly. You need to turn the silver ring with 6 notches in it that is under the button. I was able to do this by pushing on one of the notches with a tiny screw driver. It was not ideal and took a few minutes but it worked.

Jeremy Mikesell - Reply

Do you turn clockwise or counterclockwise?

Jason Goldsmith - Reply

Counter clockwise to remove like a normal screw.

Jeremy Mikesell - Reply

Well, thanks for answering my questions. But this button is not budging!!!

Jason Goldsmith - Reply

It will not turn I've broken multiple tools!!! So frustrated!!!!!!!!!!

Jason Goldsmith - Reply

Hi Jason

It’s easier to use fine nose tweezers to remove the crown from the watch, when removed I suggest sliding the edge of a razor blade below the ring that secures the display to the body just above where you have removed the crown, You should feel the edge of the ring inside then use a little force to slide it towards the strap opening, it only needs to move about 10-15mm. You can then remove the whole watch body with the screen out through the top of the watch body with no damage to any parts

Bernard McGrath - Reply

I tried needle nose tweesers, they care now bent to $@$*. Button still firmly attached.

Jason Goldsmith - Reply

Insert a prying tool into the notch near the microphone and slide the tool around the edge of the assembly while gently prying the assembly out.
  • Insert a prying tool into the notch near the microphone and slide the tool around the edge of the assembly while gently prying the assembly out.

    • The assembly is fitted very tightly into the case—it may take a little force to get your tool past the o-ring.

  • Do not fully remove the internal assembly yet. There is a flex cable connecting the assembly to the watch display that needs to be disconnected before the assembly is completely removed.

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Use tweezers to remove a rubber strip on the back of the connector. Use a fingernail or the tip of a spudger to lift the small locking flap on the connector and disconnect the ribbon cable.
  • Use tweezers to remove a rubber strip on the back of the connector.

  • Use a fingernail or the tip of a spudger to lift the small locking flap on the connector and disconnect the ribbon cable.

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Gently pry the battery out of the case. The battery adhesive is stubborn, and the shield over the motherboard may come off with the battery. This is okay; use an opening pick to separate the battery and the shield, then snap the shield back onto the motherboard. Do not pull the battery all the way out after you separate it from the shield. There is a fragile battery cable that must be disconnected before the battery is completely removed.
  • Gently pry the battery out of the case.

    • The battery adhesive is stubborn, and the shield over the motherboard may come off with the battery. This is okay; use an opening pick to separate the battery and the shield, then snap the shield back onto the motherboard.

  • Do not pull the battery all the way out after you separate it from the shield. There is a fragile battery cable that must be disconnected before the battery is completely removed.

  • Remove the grey plastic piece that sits next to the battery.

  • Use tweezers or the tip of a spudger to disconnect the battery connector.

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Conclusion

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

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kushyal Budhan

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18 Comments

Do not pry out the inside of the watch like this says you will break the watch. The side button needs to be unscrewed first, I broke my watch by doing it like they say,

John DeLorenzo - Reply

How does the button unscrew? It is just spinning

Jason Goldsmith -

Where can I buy the battery for the watch replacement?

TakWAI Cheong - Reply

iFixit has just sourced these batteries, and will be making them available for sale very soon!

Daniel Demeter -

They show up on ebay regularly. I have bough both sizes there.

Jeremy Mikesell -

How to remove the side button without breaking it?

Sharath Vasishta - Reply

Where can I buy the replacement? (urgent)

Martin Grabina - Reply

iFixit will have this part available very soon: Moto 360 (2nd Gen) Replacement Battery

Daniel Demeter -

Can someone contact me please? This guide is not working. I got the ring off the button but the button is not unscrewing. Just spinning in place. My email is shamrock_73@cogeco ca

Jason Goldsmith - Reply

Hi Jason, it’s possible that you have to hold the inside part of the button with a pair of tweezers or needle nose pliers while you turn the outside part. It sounds like the whole assembly is rotating together instead of unscrewing (think of the inside part like a nut and the outside part like a bolt; one must be rotated while the other is stationary to unscrew from each other). Just be very gentle if you use pliers, the button pieces are probably fairly easy to bend or break.

Adam O'Camb -

You just need to turn the silver part with 6 notches in it that is under the button and flush with the watch side. The button that you press just slides (and rotates) inside this silver screw part.

Jeremy Mikesell -

Hi Jason

There’s an easy way to remove the casing and then there’s the right way. Firstly heat and remove bottom ring, then remove the clip around the crown and unscrew the crown with a fine set of tweezers, you will find there are 6 notches around the crown to insert the points of the tweezers enabling you to unscrew and remove the crown. After removing the crown apply a little heat to the bezel to loosen the adhesive holding it in place then slide the edge of a razor blade almost level with the right side of the crown opening, you should feel the blade hit the inside of the bezel, gently slide the bezel counter clockwise about 10mm then you should be able to push the whole of the watch body through the metal casing, coming out of the top of the watch. This way Nothing gets damaged and you can then work on whatever part of the watch you need easily

Bernard McGrath -

This is &&^&^$^ IMPOSSIBLE. I can not turn the part under the button.

Jason Goldsmith - Reply

I was able to disassemble the whole watch but it was before they inform us about the button removal. Anyway, i broke one of the supporting metal piece while prying out the internal assembly. I got the battery from Aliexpress website but they have listed it as out of stock now. I was able to replace the battery and it is all working fine and the watch can last more than 1 day. However, due to the removal of the internal part, the REASSEMBLY was not good and it does not fit very well. There are gaps seen as I was not able to push the whole assembly to be flush to the original condition. Probably it is due to the slightly thicker battery. Do let me know if any of you need help.

Chee Chun - Reply

I need help!!! The button will not unscrew!!!

Jason Goldsmith -

Jason try fine nose tweezers to remove the crown

Bernard McGrath - Reply

Anyone have luck finding a replacement for the 2nd generation? Im using the 42mm one and can only find the battery for the 46.

alyssa Prater - Reply

Set up a saved search on eBay. I got one there after a few weeks of waiting. Seems like they only show up occasionally.

Jeremy Mikesell - Reply

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