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Fourth generation iPhone. Repair is straightforward, but the front glass and LCD must be replaced as a unit. GSM / 8, 16, or 32 GB capacity / Model A1332 / Black and White. This page aims to help users troubleshoot, fix, and seek help for the iPhone 4.

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after replace touch screen working display bad

Hellou..I have problem with my new touch screen ,after replace touch screen is display working bad..Round display is a litle more white color and display looks faded..Where is problem ?,maybe i dont buy original touch screen?or something in software? thanks

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You could have bought a bad screen or damaged the Ribbon cables during installation, both are fairly common, sorry for the bad news, good luck

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Thank you for your answer I think I bought the wrong screen because it was cheap .. And after changed screen i lost signal.. It searching, no service ,searching no service and repeat..Do you know where is some problem ?

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You have left the signal antenna disconnected or you need to clean and resext it. That has nothing to do with the part you bought. The white fringing on the lcd is indication of a bad lcd.

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