Im not sure if you figured it out yet, but I did have a similar issue. I tried eveything you did with 2 different thumb drives, then gave up for a bit. I tried taking another crack at it. I tried a third thumb drive for the heck of it and it worked. I tried the other ones I had tried previously used to see if something changed or if I did something wrong. Nope, it was just an incompatibility with those thumb drives appearently. The one that worked was a Kingston Data Travler 16Gb. I dont think the capacity was the issue, but I dont know why that one works. So just in case youre still dealing with that.
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I'm having a similar issue i think. My volume is ok when I'm not doing something loud. Unfortunately I work in factories and test labs quite a bit and the volume is just not loud enough. It was fine for the first few days when I had them but then the volume adjusted and hasn't been right for a few months. I just bought them in May, so it hasn't been that long. The software in my Note 10+ has cleary changed since this thread started because some of the options that were suggested aren't available to me. Im not looking to replace them unless its absolutely necessary. I have the protection plan from bestbuy so if I need to swap them I'll just do it in store.
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