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2021年1月に発表・発売されたAndroidスマートフォンSamsung Galaxy S21の修理・分解情報です。

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S21 Slow Charing and no USB connection even after replacing USB-C port

Hello all,

My S21 charges very slowly (6-7 hours for a full charge) with a cable, but it charges fine wirelessly (even fast charges wirelessly). I tried different cables and multiple charging bricks, still no luck. My PC also doesn't detect it and wired USB-C headphones don't work either.

I replaced the USB-C port with a new one (original Samsung part). It still didn't solve my problem. I also read multiple posts stating that I need to wipe the cache partition. As I can't get the USB-C port to connect to anything, I can't get into recovery mode.

Did anyone run into this problem or help me to find a solution?

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Did you try changing the flex that connects the port to the MB?

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Thibault さん、ありがとうございました!
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