Xiaomi's mobile phone supplementary card 3g4g is being changed.

1. Take the MIUI 1 1 system of Xiaomi1as an example. The reason why Xiaomi's mobile phone changed from 4g to 3g is a problem for network operators. Because of the high frequency and poor penetration of 4G signal, there are multiple 4G base stations in the same area, so the indoor signal is poor, and the mobile phone automatically switches to 3G network.

2. Xiaomi 10 is the flagship work of Xiaomi on the occasion of its 10th anniversary, and it is the first smart phone of Snapdragon 865, which was officially released on February 13, 2020. Xiaomi 10 is the flagship work of Xiaomi on the occasion of its 10th anniversary and the first smart phone of Snapdragon 865. In terms of basic performance, Xiaomi 10 mobile phone is equipped with Qualcomm Snapdragon 865, SA/NSA dual-mode dual-card full netcom, with 580,000 running points; A new generation of LPDDR 5 memory, faster UFS3.0, and the highest sequential writing speed is 730 MB/s; There are new WiFi standards in the WiFi6 and 5G era, and the network speed is faster.

3. In terms of screen, Xiaomi 10 adopts 6.67-inch AMOLED ultra-small curved screen and flexible screen COP technology, which supports 90Hz refresh rate and 180Hz touch sampling rate, with peak brightness1/20 nit and contrast of 500,000:1. As for the camera, Xiaomi108mp1/0.33 inch outsole main camera 13MP super wide-angle lens 2MP macro lens 2MP depth of field lens rear four-shot scheme, OIS EIS super anti-shake, supporting 8K video shooting. The front camera has 20 million pixels and supports 120 frame video shooting.