Putting the clasp in securely, Inserting the tracker – Fitbit Flex User Manual
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N O T E : If there is a bulge on the inside of the band between the two inside prongs of
the clasp, find a small object like a credit card to push it flat.
Inserting the tracker
Hold the tracker in your hand with the grey arrow facing up. Insert this end into the
wristband, with the arrow pointing toward the holes in the wristband.