touch and screen is not working but back light is on
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After I dropped my phone, home button wasn't working.
(at that time screendand touch were working well)
When i open the divice, connector #4 was unplugged, and i fix the problem. And then I tried to turn on iphone with power button, but it didn't work. But when i connect my iphone to the power through the cable, it's working. and heard the sound that we can hear when we connect the phone to the power. When i press the home button, back light was working, but nothing on the screen. only back light was working alone. When i touch the screen, i can't hear any sound. so i think touchpad is not working.
I checked all the connector. it looks like nothing's wrong.
And no visible damage to front pannel.
i've been with it for almost 3 years. i don't wanna lose it this way.. please help me!!