How to ensure water resistance of the device?

TCL onetouch 5044 has a water resistance rating of IP68. The installation of the components will greatly affect the waterproofing effect.
a) The device has three kinds of waterproof rings, please install them according to the picture. After installation, make sure that the waterproof ring is flat and secured, and it is not easy to fall.

b) Screws of Furnished Battery Cover (Make sure the screws can no longer be screwed)

c) Waterproof silicone stopper (Make sure it is pressed tightly)

Strictly necessary

Performance

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