The shift key on my BK03 doesn't work at all on my Pixel 7 Pro running the latest Android version as of the date of this post. I've tried the Android, Win, and iOS settings (Fn Q, W, and E, respectively) with no luck. I can't find any other keys that might have an effect and I can only find the most rudimentary documentation, which provides no guidance for this.

Please advise. Thanks.