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Screen comes on for nano second then goes off again

I have replaced the screen a couple of times. The first time I thought it was a dodgy screen so I ordered another and it does the exact same thing. When I press either the power or the home button the home screen appears for a nano second then goes off? Tried reboot via iTunes etc but nothing. Any ideas?

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If you hold a flashlight on the screen, can you see a faint image? If so, it’s your backlight ic going out.

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That’s great I’ll check it. Thank you

por

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Hi,

when you replaced the screen did you desolder the sleep magnetic induction flex and transfer to your new display,

if not this will be the main cause for your problems.

A image of the flex is attached. It’s located at the bottom of the lcd

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Is it this one?

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Yes that’s the place where the flex needs soldering back to

por

Hi I’ve added a video if you have any ideas id really appreciate it

por

Hi, sorry for the delay been mad busy in work lately. Are you up based ? If you are I would be more than happy to help you out with this.

por

Also have you gotta picture of the screen with the new flex attached?

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Ok tried this. Bought new part and soldered it on. I’m still getting a nano flash of the screen then nothing…. help?? It’s had new lcd digitizer screen and new flex cable but still the same problem. I can press either the power button or the home button and get the same thing. It’s driving me crazy!

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