Hi, Federico. Thank you for sharing your experience with the LG TV (70UQ7070ZUD) model. We understand how important it is to be able to cast or use screen mirroring from your phone. We strive to provide top-notch products and ensure a smooth and seamless viewing experience.<br /><br />To troubleshoot this, we recommend ensuring that both your TV and phone are connected to the same Wi-Fi network. Additionally, check that the screen mirroring or casting feature is enabled on your phone and that you’ve selected the correct input or casting mode on the TV. For more help, visit https://www.lg.com/us/support/help-library/lg-tv-how-to-screen-share-on-your-tv--20150637965681. <br /><br />If you’ve already tried these steps and are still experiencing issues, please send us a private message on social media &#64;LGUSSupport. Our team will be happy to assist you further and explore potential solutions to get this feature working smoothly for you. We want to make sure you have a positive experience with your LG product.<br /><br />We’re here to help, and we appreciate your patience as we work through this with you. ^Juvy