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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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Blank LCD after replacement digitizer, front frame and lcd separetely

We have bought LCD, digitizer and the front frame separetely to fix the broken glass and for easier replacement in the future.

everything work fine before the replacement. durring the replacement all seem to me in place but when i turn it on. The back light work but nothing on the LCD. after a while i can unlock it and itunes detect it but no LCD.

- I have verify the connectors 4 times.

- hard reset change nothing.

- restore with iTunes change nothing.

now i don't know if it is the LCD, the logic board or my assembly ?

P.S. I have lost de top rubber of the logic board.

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I have the same problem, Do any one have a solution to this?

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I am having the same problem but I had the fully assembled front replaced and all I'm getting is a black screen. LCD lights up in the back digitizer works fine...I can unlock it detect it in iTunes. Please help?

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I have the same problem... this is crazy :( someone please help!

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I will send it to another compagnie and i will comment you as soon i can.

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Im having the same problem. PLEASE, somebody find an answer to this.

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We had this problem a couple of times too after disconnecting the LCD panel, The solution is simple:

Just hold the Home & Power buttons together at the same time until the Apple logo appears and the the problem will be solved..

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Sorry guy's, Correction:

This solution is solid proof, But i forgot to mention that it works every time but with iPads, I haven't tried it with an iPhone, Actually i never had this problem with an iPhone. as i have a repair shop and i deal with iPads and iPhone everyday..

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I had the same problem. Check to see if a ribbon cable from the lcd and digitizer tore.

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my ribbon seem to me good.

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The hard reset isnt working for any1, any other ideas?

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anyone tried to see if their old one works? If it does then your problem is the new solo LCD!

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well in my case i was just fixing the power button! i think it must be the LCD ribbon!

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try disconnecting and reconnecting the cables..it may not be on fully

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yeh iv taking it apart good few times, everything in right and tight, looks like ill be getting it checked in the morning, iv being fixing my iphone from the very first one and normally have an idea whats up but this is very strange, i would say its the ribbin doh!

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I had the same problem. Check both ribbon cables for the screen. They should be the exact same length after installing it through the metal housing. When I had the problem, the cause was a torn ribbon cable. Check there first.

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Well it seems that my problem was a torn ribbon cable too. I guess that they are extremely delicate and tore very easy.

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I'm having the same problem, I've checked my cables and they're not torn. D;

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take out battery connector for 5 minutes and then connect it again the lovely apple sign appears on the screen

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if it works and it will work please give feedback

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