After carefully following the instructions in the bed frame’s User Guide step-by-step (photos included) for installation and pairing of the app with the frame, I’m happy to report that it works just fine. If you don’t like using user guides and you are experiencing problems you can also contact the product support help line (at least they give you a number to call — I didn’t use it but maybe they are competent🤞). I did this with my iPhone SE2 running iOS16.3. to connect to the frame. This is a good app compared to some of the other bluetooth-enabled apps for electronics remote control that I’ve encountered. It’s actually as good as Roku’s in my experience. Kudos to the Developers for keeping it simple and providing adequate, detailed, illustrated instructions in a well written 8X11 inch hard copy user’s guide! ** One more thing: The Developer’s website is in Chinese BUT all one has to do to read its content in English is just use the iOS mobile Safari Translator option.