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Air tightness test of mobile phone back cover

With the development of modern smart phones, the functions of mobile phones are more and more. At the same time, the requirements for the overall structure of mobile phones are also getting higher and higher. Now the mainstream effective mobile phone waterproof technology is actually to prevent water from entering the mobile phone.

The waterproof smart phones on the market have a waterproof plug at the bottom data interface, and a ring of sealing rubber is stuck on the back cover to protect the back and prevent water from entering the battery. At the same time, in order to prevent being immersed in water for a long time without being affected, the mobile phone screen is pasted firmly. The closed metal frame is designed around, and a layer of waterproof glue is stuck around the HOME key to prevent water from entering when pressing keys in water.

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