Where can I find the serial number/device id of my Polar device?
Applies to: Cadence sensor Grit X Grit X Pro Grit X2 Pro H10 H9 Ignite Ignite 2 Ignite 3 M200 M400 M430 M460 OH1+ Pacer Pro Speed sensor Stride sensor Bluetooth® Smart Unite V650 Vantage M Vantage M2 Vantage V Vantage V2 Vantage V3 Verity Sense Vantage M3 Grit X2 Polar Loop
You can find the device ID from:
- the Settings menu of your Polar device or
- the Devices menu in Polar Flow app or
- the Products menu in Polar Flow web service.
The serial number and device ID are also printed on the device itself. Check the list below to see where they’re located on your device. Serial number is normally 13 digits in length and device ID 6 to 8 digits in length.

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