FAQs Brief Specs Question Why isn't the TC002 responding after being connected to my iOS device? Features Answer Please follow these steps to troubleshoot the issue: a) Verify that your iOS device has iOS 11 or later, and is an iPhone 7 or newer. Functions b) Confirm that you have downloaded the TopInfrared app and granted necessary permissions. c) Try unplugging and reconnecting the TC002. If the issue persists, please contact after-sales personnel. What's In The Box? Comparison FAQs