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

Originally Posted by tiger555

What is it you tried with the 755T that didn't work ???

If you are trying to get the SD card SN on a 755T it's very simple.

1. Insert SD card (or microSD in an SD adapter)
2. Boot the 755
3. Hold battery ICon for ablut 8-10 sec to get to hidden screens
4. On the bottom of the hidden screen Hit NEXT 2 times and you'ls be at the "Data Card Test Page"
3. Serial number is on the upper let hand corner

This kind of user posts just to get 10 posts, ten useless posts which dont change anything in unlocking links.
Your instructions are the same than ones in starting post.