Các tế bào connetion P10

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Các tế bào connetion P10

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DEALING WITH OPERATIONAL DIFFICULTIES Cellular telephones are rugged and reliable. They have to be, since their very nature dictates that they will be banged around and subjected to extremes of heat and cold in briefcases, automobiles, and other places. They rarely fail. Most of any difficulties with your cellphone will arise from the conditions under which it is used and, possibly, from your initial unfamiliarity with the equipment and with cellular systems in general. This chapter will help you to understand some of the difficulties you may encounter in using your cellular phone, and, when possible, will show you what you...

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