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How can I upgrade my ZeFit with the latest firmware available for Windows Phone Users?

Step 1: Download and install ZeFit PC or MAC software available on MyKronoz website

Step 2: Plug ZeFit into the USB port of your computer

Step 3: Please select Windows Phone User and log in.

Step 4: A pop-up message will appear saying "A new version of ZeFit is avalaible, download it now", please click "Yes"

Step 5: Please let the update complete.

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