X4 Air User Manual Format MicroSD Card It is recommended to regularly transfer camera files to a phone or computer for backup and format the microSD card via the camera or Insta360 app to avoid any storage issues. Format via X4 Air: 1. Insert the microSD card into X4 Air. 2. Power on X4 Air. 3. Swipe down on the touchscreen to enter the Shortcut Menu > Settings > SD Card > Format. Format via Insta360 app: 1. Connect X4 Air to your phone via the Insta360 app. 2. Enter app Settings > Device Settings > Camera Storage > Format. Note: When formatting the card by computer, it needs to be in exFAT format, and the allocation unit size should be left as the default setting. 23