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Repair and disassembly information for the Logitech MX Master 3S wireless mouse. Released in 2022 and identified by model number MR0077. The primary part numbers are 910-006556 (Black), 910-006557 (Graphite), and 910-006558 (Pale Gray). Other model iterations or geographic regions have slightly different part numbers, such as the Graphite variant initially being sold at launch as 810-008295 (in the US), 810-008296 (in Canada) and 810-008345 (In Europe).

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What kind of switches does Mx Master 3s use?

What kind of switches does this mouse use and what is their estimated number of clicks? This question is also related to side navigation buttons. In my experience these buttons typically break first.

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I used this part number "EVQ-P0D07K" to fix the failing switch in my 3s. It works as a replacement to the OEM but it has a higher operating force and a louder click.

I wish I had gone with the similar "EVQ-P0E07K" which has a lower operating force and is rated for 5M cycles rather than only 1M.

There may be other alternatives out there too.

Edit to add: this is for the left and right click, not sure what the other switches are.

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Ordered, installed, works! Thank you.

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Artem Kliatchkine crwdns2934231:0crwdne2934231:0
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