Development of mobile phones past and present,From Marty Cooper test the first mobile phone in history. It weighs about 1.13 kg ,and it can only call for 10 minutes On April 3, 1973 .toThe main mobile phone brands at present. International brand:Samsung, SONY, HTC, MOTOROLA, Apple, LG, Nokia. China Brand :Huawei, lenovo, ZTE,mi, Meizu. was Collected by everbuying.com., You have experienced what changes？
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