Before use, check if the battery compartment cover and USB-C port cover are securely closed, and ensure that the sealing rubber strips on the covers are clean and firmly in place.
Avoid getting into the water at excessive speed.
Do not replace the battery with wet hands, and also avoid touching the internal structure inside the battery compartment with wet hands.
Clean the battery and the battery compartment with a dry and soft tissue or cloth.
Rinse the Action with fresh water and dry it after diving or surfing.

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Great tips.  Thanks for sharing Mindy.