I currently own a Hammerhead TWS X, and recently the left earbud has been acting up. Whenever I put it in the case and close it, it won't disconnect from my phone. It's not being fully charged by the case, and if it's off, it won't turn on when I open the case. I've tried cleaning the contacts on the bud itself using isopropyl alcohol and also the hole for the bud using compressed air. Is there anything I can do first before contacting my seller for the warranty?