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Informations sur la réparation et le démontage du smartphone S22 Ultra de Samsung, commercialisé en février 2022.

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Phone won't connect to data or wifi after ribbon cable installed wrong

I was asked to troubleshoot an S22 U that was unresponsive to charge or power button, and noticed the main ribbon cable was upside down. AFter correcting the cable the device seemed to be working fine and the customer left with it. the customer soon came back saying the phone would not connect to WiFi and she had no signal bars. Could this upside down cable messed up the phone? Trying to avoid a hard reset. Thanks.

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My best guess would be that the pins of the ribbon cable could've been damaged, or that power was sent down the incorrect channels when it was flipped, damaging some components.

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Thank you. Update: Best Buy is saying the antenna is "damaged" which could just mean unplugged, or partially connected.

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The pins didn't seem to be damaged.

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