Black screen - Does't open after replacing with new battery

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Google Pixel 3a

Google Pixel 系列第三代中的其中一隻。Pixel 3a為系列中主打中低價位的一員，其中，鏡頭型號與同系列旗艦款式同款。2019年五月發布，有全黑、純白、淡紫三種顏色(前兩者電源鍵為橙色，紫色為黃色)。

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Paul Abraham @paulabraha30377

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发帖于: 2021年10月27日

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Black screen - Does't open after replacing with new battery

Followed scrupulously the ifixit guide to replace the battery in my google pixel 3a, everything went very well. After the replace, before gluing the screen, I charged the battery in order to check if the replacement works, to my surprise the charging percentage didn’t appear on the screen, even after an hour or so. Tried to put the phone ON, nothing. I disassembled the phone, checking for a loose connection, everything is fine … When the phone is plugged in the charger, it gets warm, but doesn’t open, screen dead … Anybody as an idea of what is wrong? Thanks!

Paul

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This malfunction is common in some iPhone models, you must make a software for the mobile and it will return to work again But before that, make sure that you have installed the monitor cables correctly, taking into account the disconnection of the battery before installing the monitor.

由 Ahmed Elhadek 完成的 2021年10月27日

Have the same issue, must've reseated everything over 12 times that I broke my proxy sensor cable eventually, the screen still won't power

由 One Rice Wonder 完成的 2022年2月4日

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This malfunction is common in some iPhone models, you must make a software for the mobile and it will return to work again But before that, make sure that you have installed the monitor cables correctly, taking into account the disconnection of the battery before installing the monitor. — Ahmed Elhadek
Have the same issue, must've reseated everything over 12 times that I broke my proxy sensor cable eventually, the screen still won't power — One Rice Wonder

Ahmed Elhadek @pharaoh701 声誉积分: 1 2 · Answer 1 · 2021-10-27T12:18:57-07:00

Ahmed Elhadek @pharaoh701

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发帖于: 2021年10月27日

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You must first reinstall the screen and make sure that all its filters are connected with the installation care and you disconnect the battery. If the attempt did not succeed, make a software for the mobile, as this is a common malfunction for some iPhone models.

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Hi Ahmed, thanks for your answer, but what do you mean by “make a software” ?

Thanks

Paul

由 Paul Abraham 完成的 2021年10月27日

And also, I can't disconnect the battery while the Screen is connected ...

由 Paul Abraham 完成的 2021年10月27日

Reprogramming the device by a specialist

由 Ahmed Elhadek 完成的 2021年10月28日