1. Projection connection between 4K ace TV and mobile phone4K Ace TV and mobile phone projection connection is mainly divided into two ways: wireless projection and wired projection. Wireless screen projection is like a breeze blowing across a lake, light and smooth, so that the content of the mobile phone is instantly presented on the TV; The wired screen projection is like a strong rope, which stably connects the mobile phone to the TV. Wireless screen projection is like an elegant dancer, shuttling freely in the wireless network, connecting the soul of the mobile phone and the TV. First of all, make sure that the phone is in the same Wi-Fi embrace as the 4K ace TV. This is like building a solid bridge for screen projection to ensure the smooth transmission of information. Then, open the door of "More Connections" or "Screen Mirroring" on your phone and activate the mysterious "Wireless Display" function. It's like activating a magic stone, mapping the magic of your phone's screen onto your TV. Then, the big screen of the TV also needs to be set up accordingly. Enter the TV's "Settings" hall, find the "Network Settings" or "Wireless Display" method, turn it on, and let the magic mirror of the TV show. Finally, with a tap on the mobile phone, select the TV you want to cast the screen, so the content of the mobile phone screen will be displayed on the TV like a dream. 
And wired projection is like an ancient ritual, stable and solemn. First of all, choose a suitable cable to connect your phone tightly to your TV. It's like breathing life into an ancient stone carving, allowing information to flow into it. Next, open your phone's screen mirroring door and select the corresponding MHL or HDMI mode. It's like activating an ancient magic spell to get the content of your phone's screen to be delivered to your TV. Then, the TV needs to adjust accordingly to choose the right source for the magic to work. Finally, with a tap of the mobile phone, select the TV you want to cast the screen, so that the content of the mobile phone screen will be stably displayed on the TV. 2. Precautions for screen projectionBefore projection, we need to make sure that the mobile phone and TV have been updated to the latest version to ensure the normal use and best effect of the screen projection function. When using wireless screen projection, it is necessary to ensure the stability of the Wi-Fi network to avoid affecting the effect of screen projection due to network fluctuations. At the same time, we also want to minimize the interference of other devices on the network, so that the process of screen projection is smoother. 
When using wired screen mirroring, we need to choose a good quality cable and make sure that it matches the interface of the mobile phone and TV. We need to avoid bending or twisting the cable excessively to ensure the stable transmission of the signal. At the same time, it is also necessary for us to regularly check the integrity of the connecting cables. In the process of screen casting, we must ensure that the power of the mobile phone and TV is sufficient, so as to avoid the interruption of screen projection due to insufficient power. At the same time, we also need to adjust settings such as brightness and volume of our phones and TVs as needed to get the best ** experience. 