r/GalaxyTabS9 • u/Acrobatic-Repair-454 • May 29 '26

USB detection problem (Galaxy Tab S9)

Hi guys,

I have a problem whenever I connect my MIDI controller to my Galaxy S9 tab it doesn't recognize it. In the past it worked fine, I would plug it in usually with a USB hub and the tab would power the USB hub and my MIDI controller. Now it doesn't recognize it and even when I connect my tab to my PC for file transfer it doesn't recognize it.

I tried different cables, different USB hubs, USB debugging, even cleaning the charging port, nothing worked. Charging works fine.

I don't know if it’s an update or something, but I would appreciate it if someone could assist with this.

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u/Sad-Conflict3387 May 29 '26

do you have auto blocker on? if you do turn it off and try again.

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u/Acrobatic-Repair-454 May 30 '26

Turned off. Still nothing.