HUAWEI TECHNOLOGIES CO., LTD.
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4.1.2 Recording Faults
Faults fall into categories such as power-on failure, short-circuit due to moisture, broken, no
display, and so on. The causes of different types of faults differ a lot. Recording faults makes the
symptoms and maintenance purpose clear. It also achieves agreements between maintenance
engineers and users. In addition, you need to check to see if the cell phone has other faults.
This prevents possible post-maintenance conflicts effectively.
4.1.3 Writing Down the Model and IMEI Code of the Cell Phone
Each cell phone has a unique number, that is, the IMEI code. To avoid delivery errors, you can
write down IMEI codes before maintenance the cell phones received.
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