1. Select General Functions from the Settings menu. 2. Find the NFC option. 3. Turn on the button on the right side of NFC.

HD calls in Xiaomi mobile phones, also known as VoLTE high-definition calls, can help users optimize the effects of video calls, improve the picture quality during video calls, and make our calls clearer, smoother and more natural. However, many users do not understand the opening position of VoLTE, so the editor of this website has brought you this tutorial guide to provide you with a detailed introduction. I hope it can help everyone in need. First, we open the phone settings, find the menu settings of dual SIM and mobile network, then find the sim card we want to use, click on it, and then we can turn on the VoLTE HD call option, just turn on the switch at the back.

iPhone 12 supports wifi6. Wi-Fi 6 mainly uses OFDMA, MU-MIMO and other technologies. MU-MIMO (Multi-User Multiple Input Multiple Output) technology allows the router to communicate with multiple devices at the same time instead of communicating sequentially. Advantages of wife6: 1. Provides faster data transmission speed; 2. It has TWT wake-up technology, which greatly shortens the time for the mobile phone to maintain and retrieve multiple signals, thereby reducing battery consumption and extending battery life.

The role of volte in mobile phones is still very important. Regardless of whether the user uses an Apple phone or an Android phone, turning it on can significantly improve the user experience, including better call quality, better stability, and more energy saving. What are the uses of Apple's volte phone? Answer: Improve call quality, improve network stability, and optimize performance 1. It can improve the quality and effect of users' voice calls and experience higher-quality voice call services. 2. Effectively reduce the waiting time of calls. Reducing the time can improve the efficiency of calls, about 3 seconds. 3. Video calls can be enhanced. In addition to traditional voice calls, the quality of video calls can also be effectively improved. 4. The stability of the network is also better. After using the volte function, the performance of the mobile phone is improved.

1. Click [Settings] on the mobile phone desktop. 2. Select [Display and Brightness]. 3. Turn on the switch on the right side of [Raise to Wake].

The iPhone 12 has 2 card slots. The iPhone 12 uses a front and back double-sided card slot design, and can use dual-SIM card function through two nano-SIM cards. The SIM card slot of the iPhone 12 is located on the side of the fuselage and supports hot plugging and unplugging of the SIM card, which means that the SIM card can be removed and installed without shutting down the phone. The phone can automatically recognize and receive signals; in the top state column to confirm whether the signals from the two SIM cards can be received correctly.

1. Open the Safari browser that comes with your phone and enter a webpage that requires a screenshot. 2. Then use your mobile phone to take a screenshot, click on the screenshot in the lower left corner, edit the image, and click on the entire page. 3. Pull down the long image on the right to preview the image. 4. After taking the screenshot, click [Finish].

1. Open the [Settings] menu of your phone. 2. Click [Cellular Network]. 3. Click the cellular number you want to set. 4. Click [Voice and Data] and turn on the volte switch.