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Оригинальный сообщение: shaik mastan ,


I replaced my iphone 4 with the new display screen. I followed all the instructions all the cables are fit i checked it twice. But when i try to trun on i could not see anything just a black screen. When i pulged in to charge i can hear a beep sound. I wondered whether i damaged some hardware so i went back to change with my older screen then everything works fine with the broken screen but not with the new screen. Can you please tell me what might the problem is, the problem is with the new display or something else has to be done?. need help thanxx.