UMIDIGIInsert Sim and SD 28-04-2021 From this article you will learn how to insert 2 SIM and micro SD card into the UMIDIGI Bison GT simultaneously and to do it safely.
Before removing or inserting the SIM and micro SD card you must switch off the phone. It is suitable for the next types of SIM: Nano SIM, Micro SIM, Standart SIM.