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Go Back   GSM-Forum > GSM & CDMA Phones / Tablets Software & Hardware Area > iPhone ,iPod & iPad (Apple Inc. Products) > iPhone 4 / iPhone 4S

iPhone 4 / iPhone 4S iPhone 4 / 4S

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Old 08-12-2011, 12:28   #1 (permalink)
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question about iphone 4 problem after replacement new LCD+touch

i replaced 3 new lcd+touch on 3 pcs iphone 4

now i get this problem the sensors doesnt work when you call so that the screen goes black that you wont touch any buttons..

so i returned the lcds back to the shop and get new lcd+touch
but still same problem can any one please tell me how this can be ?

quality of the touch is bad or need to replace the sensor also but before replacement sensors was working

hope anyone can help

best regards
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Old 08-12-2011, 13:11   #2 (permalink)
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thats not a lcd proble mate ..just change sensor ribbon ..
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Old 08-13-2011, 09:27   #3 (permalink)
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bro before replacement sensor was working after changet lcd this problem become
how can this be? you cant even damage the sensor flex
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Old 08-13-2011, 09:40   #4 (permalink)
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You do not have to change the sensor ribbon.

Look at the LCDs you have put. The place where there is opening for light to go to the sensor (above the earpiece) is in all probability a single oval shape like this -

Whereas you need a split in that oval which separates light to the two sensors on the iPhone 4 something like this -

Sometimes doing so with a marker from the inside or with black insulation tape does the trick.

I do not have LCDs in stock right now but will try posting a picture soon.
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