XiaomiInsert Sim and SD 31-01-2021 From this post you will learn how to insert 2 SIM and memory card into the Xiaomi Black Shark 4 simultaneously and to do it safely.
It is applicable for the next types of SIM: Nano SIM, Standart SIM, Micro SIM. Before inserting or removing the SIM and micro SD card you must switch off the phone.