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

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Charge flex cable contact melting

Hello all!

I just experienced something strange and i am hoping some of you out there have an answer.

I replaced the charging port dock connector flex cable on an iPhone 6 for a customer.

After i finnished i tested if the phone was charging and that the batteri percentage actually went up. And testing was successfull. iPhone 6 Lightning Connector and Headphone Jack

I gave the phone back to the customer and 1 day after hes calling me and saying the phone is not charging. I ask him if he have tried several chargers and cables and he said yes but non of them was working.

I went ahead and opened the phone today to check what was wrong. I suspected the battery might have some issues. I opened up the phone and pryed open the battery cable and the cable from the dock connector. At first sight everything looked ok but when it took a closer look at the connector on the motherboard it looked like one of the sides of it was melted. Pictures attached.

How is this possible ?

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iPhone 6 Lightning Connector and Headphone Jack Image


iPhone 6 Lightning Connector and Headphone Jack


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Its always a good idea to disconnect the battery before disconnecting any other flex cables. I cant think what would cause this other than a faulty chargeport. Was the client using genuine apple chargers?


Hi @smashederic and thanks for your respons.

Before i replaced the charge port the battery was the first thing that i disconnected. My Client was only using the original charger that came with the phone. I am not sure a faulty charge port could have caused this melting?


its hard to imagine a genuine part would do this i know. Only other think i can think of is that the power management chip on the board has stopped working. Melting this plastic take a lot of heat and therefore power.. please let me know i im wrong as i havent seen this issue before


I've always unplugged and plugged in charging ports with battery plugged in, never had issues with that.


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This is not melted's simply physically damaged. Melted plastic has a bubbly, dark and shiny surface. I wish I had a picture to share but I can't find one in my archives.

This looks like the connector from the dock was forced in while misaligned and it mangled up the plastic casing. Whether that happened in the repair or if the customer opened it up afterwards, who can know.

This connector has to be replaced which requires a micro-soldering repair.

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