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How to Locate the Serial Number or Unit ID on an Outdoor Handheld

Every Garmin Outdoor handheld will have a unique serial number and unit ID number to identify it. The serial number is a combination of 8 to 9 letters or numbers, without spaces or dashes, printed on the handheld or box.

The location of the serial number varies by model:


On the Back of the Device

Back of inReach handheld

Under the Mounting Bracket on the Back

inReach mini back view

Under the Battery Door or Inside the Battery Compartment

Handheld unit 

On the Box

Garmin box with sticker


Finding the Unit ID

The Unit ID is a 10 digit number found internally when viewing the system information on the device. This can typically be found in the About screen. Refer to your Owner's Manual for steps on finding the About screen.