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Part of Google's third generation of Pixel phones, the 3a is a budget-minded option with the same camera as Google's flagships. Available in Clearly White, Just Black, or Purple-ish. Released May 2019.

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Replacement screen not working properly for dimming below 30%

I finally installed my replacement screen from ifixit yesterday, double checked it worked by turning on the device, before I glued it in place. Unfortunately I did not check the screen functions more thoroughly. When the screen brightness dips below 30% the backlight doesn’t continue it's gradual dimming, but shifts to a dark reddish hue making the screen unreadable at low brightness. Is this a known issue or easy to fix? May it be because of a faulty connection between the screen and the phone or is it a defective screen?

Thank you in advance for any assistance on resolving the issue.


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Sounds like it could be one of the following:

Bad connection - Reseat LCD ribbon cable

Backlight circuit damage - Caused during the repair would need to be tested with the multimeter

Or and god forbid it, but maybe the screens a dud. 1 in every 10 screens we buy-in for our customers seem to have a slight defect or just dead on arrival from the suppliers.

I would try reconnecting the LCD first, give the phone a force restart, this can help. Then put a support request in with iFixIt, while you wait, see if you can find a bad backlight circuit on the board, if there is one.

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Martin Fischer will be eternally grateful.
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