Thread: How To Get Your SD Card ID in Your Garmin Device

Originally Posted by alammera

I don't know how to get SD serial in the simplest way

You can use your GPS, the method is covered extensively in this thread which you should read through. The method depends on the unit. The generic Garmin way is by entering the diagnostics page by pressing the top RH corner as you look at the unit for about 6 secs, then next>next until you see the Data Card Test Page showing the Serial # of the card. Serial # is the CID. Other methods are here:
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Originally Posted by alammera

my partition id sows this no. EC68-B11E, now what to do

'Partition id' is also known as the 'Volume Serial No' which changes on reformatting. It's not the CID which never changes.