If you can't connect your iPhone to your HP printer, ensure both devices are on the same Wi-Fi network. Restart your iPhone and printer to refresh connections. Check for any software updates for your iPhone and the HP printer's firmware. Also, make sure AirPrint is enabled on the printer. If issues persist, reset the network settings on your iPhone and reconnect to the Wi-Fi network. ... https://medium.com/@rashasavvy22/how-do-i-install-hp-print-service-plugin-for-iphone-f9b6863076b0