HUAWEI TECHNOLOGIES CO., LTD.
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4.1.4 Being Familiar with the Cell Phones to be Maintained
Being familiar with the cell phones to be maintained, such as key functions,
assembly/disassembly procedures, and the notes is the precaution of cell phone maintenance.
4.1.5 Making all the Tools Required Available
The tools required include the tools used to assemble/disassemble cell phones and test cell
phone functions, maintenance manual, cell phone architecture diagram, and so on. Making all
the tools required available is an important pre-maintenance job.
4.1.6 Choosing the Right Maintenance Way
Analyze the fault from a global view and then in detail. Locate the fault according to the
symptom and check the possible causes one by one. After the fault is located, take
corresponding measures with caution.
4.1.7 Maintenance Log
After the problem is resolved, log it for future reference.
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