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Repair information and guides for the iPhone 6S released by Apple on September 25, 2015. Models: A1688, A1633

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After screen replacement no backlight and iPhone overheating iPhone 6s

Hello,

Was changing screen and forgot to disconnect battery(

So, looks like backlight diode/filter is burned, but also when you connect battery, place where you connect screen on logicboard is becoming very hot in like 15-20 sec and there is burning smell.

What could get iphone heating up so quickly even when no screen is connected and is there any point to try and fix it?

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Sounds like more than the backlight filter getting shorted, you may also have a shorted backlight driver chip.

Anyway better to leave the battery disconnected for now and take it to a reputable shop that does microsoldering to get the backlight circuit repaired. Good ones have a no-fix no-fee / no-charge repair model.

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