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What store do you usually go to for the packaging and sealing film of mobile phone box

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the packaging and sealing film of mobile phone box usually goes to the copy shop

mobile phone, fully known as mobile phone or wireless phone, is usually called mobile phone. It was originally just a communication tool. In the early stage, it was also commonly known as “big brother”. It is a portable telephone terminal that can be used in a wide range. It was first developed from the field mobile phone manufactured by Bell Laboratories in 1940

in 1958, Leonid kupriyanovic, a Soviet engineer, invented ЛК- Type 1 mobile phone. In 1973, American Motorola engineer Martin Cooper invented the world’s first commercial mobile phone. After 2G era and 3G era, it has developed to 4G era so far, followed by 5g era, and 5g commercial has appeared in China

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classification:

mobile phones are divided into smart phones and non feature phones. Generally, the performance of smart phones is better than that of non smart phones, but the performance of non smart phones is more stable than that of smart phones. Most non smart phones and smart phones use the CPU of British arm company

smart phones have higher dominant frequency, faster running speed, faster processing program tasks and more convenient daily life (for example, Nokia N81 has 369 MHz); The dominant frequency of non smart phones is relatively low and the running speed is relatively slow (for example, the dominant frequency of Nokia 5000 is 50 MHz)

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