Traditional Culture Encyclopedia - Traditional festivals - What are Oppo mobile phones with metal back covers?
What are Oppo mobile phones with metal back covers?
The middle frame of the X907 is made of magnesium aluminum alloy. The back cover has a three-stage design. The upper and lower parts are made of PC material, and the middle back cover is made of metal.
The middle frame and back cover of the R7 are made of aluminum-magnesium alloy.
The middle frame and back cover of the R7s mobile phone are made of aluminum-magnesium alloy metal.
R7 Plus middle frame and back cover material: R7 Plus middle frame and back cover are made of aluminum-magnesium alloy metal.
The middle frame and back cover of the R9 are made of series six aluminum.
The middle frame and back cover of R9s Plus are made of Series 6 aluminum.
Metal affects mobile phone signals and Wi-Fi signals, so mobile phones with metal bodies will use non-metallic materials for the signal and Wi-Fi antenna positions to ensure aesthetics without affecting the use of the phone.
This answer applies to all OPPO models.
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