Released on September 19, 2014, this 4.7" screen iPhone is the smaller version of the iPhone 6 Plus. Identifiable by the model numbers A1549, A1586, and A1589.

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Trying new LCD screen

Hi - so my old screen had no backlight. Could be damage to the board as some people have indicated. I bought a new lcd display to try this method first as it was only 20.00.

Q: If I hook up the new lcd display, and only connect the two ribbons without transferring all of the parts, should I expect to see a lit up screen?

I tried this method before I waste my time transferring all the parts. All I can see is the screen under a flashlight with no backlight.

Answered! View the answer I have this problem too

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Connecting just the LCD and Digitizer connectors is fine for testing.

Of course, it could still be a poor quality replacement screen but it sounds like a blown backlight circuit. This will require a micro-soldering repair.

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