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joshmm

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hi there people new to the forum and need help asap i just replaced a iphone 4 black screen the phone was working before since replacing it all what works is the backlight on the screen help me please
 

Thomasjtsi

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Is it possible that the new screen is defective? First thing you should do is go back in and be sure that the LCD/Digitizer connection is clean and solidly in place.
 
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joshmm

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yes done that im completely brain dead with ideas about it
 

Thomasjtsi

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Where did you purchase the replacement screen? Chances are you've bought a china-cheapo knockoff that's not work a flip anyway... OEM replacements are the only way to go w/ iDevice parts.
 
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joshmm

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yea but even when i plug old screen back in it does it too yet the old screen worked just had cracks in the glass
 

Thomasjtsi

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If that's the case... it almost sounds like the socket, where the LCD/Digitizer ribbon plugs in, was damaged when you removed the original screen. Were you using the proper spudger or your fingers when removing the plug from it's socket?
 

Thomasjtsi

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Best advice I can give, using the existing parts, would be to clean the contact points w/ a degreaser. Oil from your fingers will cause quite a bit of interfance.
 
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joshmm

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whats best degreaser to use do you think mate
 

Thomasjtsi

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"Before reassembly, be sure to clean all metal-to-metal contact points on the pressure contact as well as its contact point on the rear panel with a de-greaser such as windex. The oils on your fingers have the potential to cause wireless interference issues."
 

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