Xiaomi 10S is equipped with Snapdragon 870 mobile platform, otherwise it is consistent with Snapdragon 865+. The 5G baseband also uses X55 5G.
The 5G baseband means that the chip that can demodulate, descramble, despread and decode can support the 5G network, which is the key for a mobile phone to use the 5G network. The products of 5G baseband chips can be divided into two types, one is to support frequency bands below 6GHz and millimeter waves, and the other is to support frequency bands below 6GHz. Baseband chip is the communication module in mobile phone, and its main function is to communicate with the base station of mobile communication network, and modulate, demodulate and encode the uplink and downlink wireless signals.