Released on September 19, 2014, this 4.7" screen iPhone is the smaller version of the iPhone 6 Plus.

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Black screen after screen repair

Hi everyone, I have attempted to have my iphone 6 repaired by local repair stores to no avail. I'm doing this myself now. (If you want it done right do it yourself.) As of last night I picked up my phone and hit the sleep/wake button and my screen had black/white vertical lines on right side of the screen that faded back to black. I instantly did a factory reset it. The screen never turned back on and has stayed black. I then hooked up my phone via usb and my computer/itunes couldn't find it. I've tried multiple ports and restarting. But I noticed when it is hooked up to the usb it gets hot right under the front camera/speaker. I'm figuring the lcd is bad but what else should I look for and/or replace when I start the repair? Digitizer? Backlight? Motherboard?

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This one could be lots of fun :>). Please let us know what the original failure was and why it was being repaired. I assume a cracked screen but was there something more?

The phone not being recognized by iTunes leads me to believe there is a problem with either the charge port or the Tristar IC (sometimes called U2). The charge port is easy to replace although you have to buy one from a reputable source like iFixit. If that doesn't solve the recognition problem, then you probably have a defective Tristar, Unfortunately, this is not a DIY repair as it requires micro-soldering.

The heat generated could be caused by a bad front camera flex or defective screen replacement.

Your problems could be caused by a lot of things, please give us more background on why you had your phone repaired in the first place and what the repair shop did so that we can give you better answers.

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Yea it was a cracked screen. I'm not too sure what either shop did since they both tried to keep me in the dark and I wasn't allowed to watch. The first shop (shop A) said the phone had a good LCD and replaced just the screen but it would get colored vertical lines and that would only go away by sleeping/waking it the screen. The first shop said to update the iOS via itunes on the computer to fix the vertical line issue. No fix, so my third visit to the shop A they took it back and said here you go. They refused to tell me what they did or what the issue was. Two hours later I hit the wake button it just stayed black so I decided to have it repaired again by a different shop and they said it was a faulty lcd and did a LCD screen repair. The shop B noted that the previous repair bent the housing and said "might be board issues". The front camera had some issues after the second repair. It would work but it looked as if it was blocked so it'd show black picture. The video camera worked perfectly though.

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When you say video camera, do you mean the rear camera? It also sounds like after shop B the phone worked minus the front camera. Is that correct? In your original question, you mention that the phone doesn't turn on or is recognized by iTunes. What is the current status now?

One thing to try is to disconnect the front camera flex and test the phone. To do this, open the phone using this guide and disconnect the Front Camera connector (see step 15). You don't have to close the phone, just make sure the loose connector isn't touching anything. Now try to boot the phone and see if that makes a difference.

You can also disconnect all of the connectors under the bracket and connect the phone to iTunes to see if it is recognized. That would eliminate the screen from the equation. Always disconnect the battery first.

Let us know what you find.

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