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My USB-C has a loose contact

Is there any way I can switch it out?

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Hi Gobi,

The good news is, yes you can switch it out, and as it turns out, it's actually fairly easy to do on your phone!

There's a small circuit board that holds the headphone jack and charging port that's cheap and easy to replace. Here's the part you need; this one is on AliExpress, but you can find it on eBay, Amazon and several other parts suppliers.

Repair Parts Charging Port Board For Galaxy M30s SM-M307F Mobile Phone Flex Cables Replace parts USB Charger Board - AliExpress Cellphones & Telecommunications

Of course, you'll need instructions on how to swap out that part, and YouTube has you covered.

Samsung M30 charging problem

Good luck with your repair; let us know how it goes!

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worked great. Make sure to remove the SDcard / SIM first.


@gobit Awesome, glad to hear it!


I am having trouble with network connection (not WIFI or bluetooth) since changing the usb circuit board. The signal is generally very bad. It is always at just a couple of bars even in cities.

Could it be badly isolated and create interference?

Is there another version I could try?


@gobit make sure the antenna flex is seated correctly on both boards. If they click in place they are connected properly.


So for anyone doing this on the same phone, order this one instead:

I do not have the connectivity issues I had with the other.


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Gobi T zal eeuwig dankbaar zijn.

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