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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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Backlight working sometimes, only on startup

I've replaced the screen on my Iphone 6S because it was broken. at first all seamed fine but after a few minutes i couldnt get my screen to turn on. i Researched and i found out that it could be a blown backlight filter.

The strange thing however is that when im charging my phone, or when i start it up again after a hard reset its showing the battery sign or apple logo with full beam.

Do you guys have an idea how i can solve this issue?

Answered! View the answer I have this problem too

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Chosen Solution

Either you have a defective screen or the backlight circuit needs to be diagnosed and fixed by someone that does microsoldering / board level repairs on iPhones.

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2 Comments:

I already tried a different screen. and the original with the crack in it. the issue is on all the screens. couldn't it be a software issue?

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If you think it's a software issue you can try restoring the phone but you need to backup the phone before doing so if you have data you want to keep on the phone.

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Joost V will be eternally grateful.
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