N78 black screen and keyboard acute failures ~!
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Users questions: Buy Time: September 30, 2008 (but, upon inquiry has ) Problem Description: Buy for a year, has been nothing wrong. But recently my N78 after a few beats later, there have been some magical phenomenon. (A) of the screen backlight turned on a light only once the backlight turns off after , No matter what button press, the backlight will not light, to light again, only to lock the keyboard, and then unlock, the backlight will be lit again. (B) the return key on the keyboard, hang up button (the red one) and the delete key (that is, the C key) failure. The strange thing is, in order to re-key this useful Sa, Lock keypad, unlock. This Sample, the three key role will be magically restored. But not last. After once again had failed to lock the keyboard and then unlock again ... ... In addition to these two questions, the phone's other features are normal. Accordingly, I judge not a hardware problem, or say is completely hardware problem. If the hardware Problem, the backlight will not light in any case, the three keys in any case will not be effective. So I determined that software is a problem (because I have saved a lot of things cell phone, text messages are more than 3,500 articles, the phone memory has been used 2 * 3, only 20M a). Consultation with the customer service NOKIA Followed by a suggestion: back up the phone information to restore the factory settings, if not the maintenance point for the NOKIA brush machine, and then not to replace the hardware. But I still have some doubts: if it is simply a software problem, why are only after the fall of the symptoms? Problem in the end my phone how to Solution? Dear friends, please let us know! !
Experts answer: Ministry of maintenance for repair. . Thank you
Experts answer: Ministry of maintenance for repair. . Thank you
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