Patent ID: 7711111

Claim:
A mobile phone comprising: a first back cover having a first fastening part on its inner wall; a second back cover having a first interfering part on its inner wall; and a main body having a resilient hook for assembling the first back cover and the second back cover, wherein the resilient hook comprises: a resilient arm, wherein one end of the resilient arm is fixed to the main body; a second fastening part provided on the other end of the resilient arm; and a second interfering part provided on the resilient arm, wherein when the first back cover and the second back cover are assembled with main body, the first fastening part is fastened with the second fastening part to fix the first back cover, and when the second back cover is separated from the main body, the first interfering part pushes against the second interfering part to drive the second fastening part to separate from the first fastening part by the resilient arm, so that the first back cover separate from the main body.