I just realized that the micro sd I bought which is sandisk extreme v30 a2 128gb is not compatible with my x3 💔 : r/Insta360
SanDisk Extreme uSD,160MB/s R, 90MB/s W,C10,UHS,U3,V30,A2, 128GB, for 4K Video on Smartphones, Action Cams & Drones - Buy SanDisk Extreme uSD,160MB/s R, 90MB/s W,C10,UHS,U3,V30,A2, 128GB, for 4K Video on Smartphones, Action Cams
SanDisk Extreme Plus UHS-I V30 A2 128GB microSDXC Memory Card Review with speed tests and benchmarks - Camera Memory Speed Comparison & Performance tests for SD and CF cards