1. Ask the user

    Got to be repaired after a cell phone, the first not to rush to get involved, but to ask the first symptom , time of occurrence , with or without the use of manual machines usually work situation , whether a collision or fall off , etc. Some people are looking for , and to observe the appearance of the phone , with or without obvious cracks , defects. If there is no flip , fold the antenna , keyboard bald , you can roughly determine the machine's fault , ask another machine is not two mobile phones , in other places have taken no , life is about how much to use . These seemingly small issue , but the next step maintenance is very important. For example , if the machine had to find someone to repair , machine components may be replaced when maintenance, welding machine should be noted over the place and recovery , so that maintenance detours. If the machine work more humid environment or into the water , you can not arbitrarily power test machine , in order to avoid failure to expand . Therefore, for an excellent repair technicians , in the failure to understand the process of inquiry , can largely determine the scope of failure and may be faulty components , thereby laying the foundation for efficiently and quickly repair the fault .

2 master the correct method of operation

    Mobile phone service is not used , as the car does not drive a car repair , and some maintenance personnel to operate the phone is very vague , to change the tone , change the vibration, automatic timing , the last ten Caller ID , call forwarding , check MEI code , phone number book function , display and modification date of the machine is very strange, do not even know the meaning of the phone's status indicator : lights flash alternately indicates an incoming call, the service area of ​​the red light flashes , the service area of ​​the green flash . Even the menus are not correctly adjusted it is possible to fix the mobile phone .

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