The Apple iPhone 5c was announced on September 10, 2013. Repair of this device is similar to the previous models, and requires screwdrivers and prying tools. Available as GSM or CDMA / 8, 16, 32 GB / White, Pink, Yellow, Blue, and Green.

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White squares and black background on display.

My iphone 5c have only white squares and black background. Absolutely no image. What can i do with it, reconnect lcd and battery cable or this problem of processor ?

Sorry for my bad english!

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I cant find any information about this problem.

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Can we do anything if connector LCD on the logic board was damaged.

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Depends on the damage but the only proper repair is to replace the connector by microsoldering.

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@belvar could be a bad replacement or badly seated connector. Try the previous screen and see if that still display's what it did before. right now I would suggest that you double check your work. the connectors on the 5C seem to be poorly constructed and it is very easy to bend the contacts out of shape. This is the digitizer connector after a few failed proper alignments during replacement. One reason to be mindful during the repair

As you can see the connector lacks metal ends and this is what makes it a weak connector. It is easily possible to damage the connector by mis-aligning the digitizer connector

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So again, double check your work and take a close look at the connectors on the board and the cable ends. also, take a look at this question and the answers squares on the screen after battery replacement

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i didnt change screen and battery, I will try to de- and reconnect the cables. Thank for help!

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Do not forget to clean the connectors with isopropyl alcohol and a soft brush

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After 4 days :

Display dont on. When i connect it to charge - dont on, dont charge and every 3 sec he make "usb sound" and heat back. What it can be? Maybe U2 tristar?

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Try a new battery. If it comes on than it could be the U2 IC. USB sound and dark screen is usually caused by the phone not recognizing the display.

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one more thing- it connect only by one sight of lighting cable.

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I had the same problem as you, albeit with a different pattern of boxes. I fixed it by reseating the video cable, the problem went away.

Follow this guide to step 12, then reverse:

iPhone 5c Display Assembly Replacement

This post was edited for clarity.

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