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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 5g wifi problem

Hello everyone
i got a new motherboard for my s21 5G
after I installed it I noticed that bluetooth is not working correctly ( turning off on its own)
so I opened the phone again and I noticed that I made a big mistake since I placed the mob under the side of the camera and almost bent the board.
Anyway after correcting Bluetooth is now flawless but now every time I do something that causes a small amount of heat like gaming or youtube short for 30 cause wifi to turn off if the phone is too hot wifi will refuse to turn on until it cools down.
am not sure where the wifi IC on this board could anyone help me?
G991U
the board was replaced because it was locked.

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@coliotte any change over the last 6 month or still the same issue? Is this " where the wifi IC" still the main concern. Can you post some GOOD pictures of your motherboard ( front and back) with your QUESTION? iFixitでの質問に画像を追加する方法

Does your phone give you any kind of error message that it is to hot etc? It might be an issues with a thermal sensor that cut off your Wifi. Your phone has no issue with Bluetooth during that time?

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You damaged the board by not fitting it correctly. Some solder joints have cracked and when the board heats up they separate causing the issue you describe. Any bending of a circuit board is a big no no.

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You didn't actually help or answer my question though, you just repeated what I wrote in a way.

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Kayl Snow さん、ありがとうございました！
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