HUAWEI TECHNOLOGIES CO., LTD.
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4.1 General Maintenance Ways
4.1.1 Getting Well Acquainted with How the Cell Phone is Used
On receiving a faulty cell phone, do the following before set to take actions on it: asking the user
for the symptom, the time when the cell phone became faulty, and the way the cell phone acted
improperly. Check the appearance of the cell phone for damages. Normally, the fault can be
located in cases where the antenna is broken and the key caps are worn out. You need also to
make it clear whether the cell phone is second-hand, whether it had been repaired in any
places else, and the period it is taken into use. An experienced maintenance engineer can
roughly locate the fault and determine the faulty components according to the information about
the fault provided by the user. Such a way helps to improve maintenance quality and efficiency.
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