Sound and the right cable?

Users questions:My Samsung E638 slider phone, bought a year, may push to play nothing like the recent cable is broken, the screen's characters sometimes backwards, which does not go to repair, was later discovered that the sound has some bad contact, and sometimes a little did not even ring tones are not playing, closed machine, re-opened, but also useful when it is notCable is the problem? There I was made to repair How much? I am not familiar with the slide wire. . . In the absence of sound, I just can not hear what other people say, but the other party can hear me speaking voice is, and
Experts answer: cable Youguan. Do not know your cell phone still in warranty you. If so go to the warranty, if timeBefore. You can try to see if your use of the factors that affect your phone and try to exclude. Generally speaking, the factors that come into contact, you can see the metal slide is aging or oxidation. Yes it can alcohol or ethanol solution to clean cotton cloth wet. This would exclude the impact of this factorRing. if you know of some maintenance, if knowledge of it, you can look inside their own open question. Which also have exclusive line of contact problems can be ruled out in the same way. If it is burned, then the might buy a put. remember what kind of model oh. it does not work, then, Went to repair others. Generally between 20-100, if an acquaintance, then 15 yuan is enough. Concrete depends on the degree of fault.
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