'I use a 16GB SD card on my Nikon camera to save pictures and it works great. What's more, if you have to format SD card for normal usage, you can learn how to recover erased files from formatted SD card.

Select 'ExFAT' -> click 'Erase' to start format.Summary: Have you ever been prompted to format your SD card? Do you know how to format SD card to quickly remove all unnecessary files on it? What does format SD card mean? This post will help you know more about these questions. Run 'Disk Utility' applications on mac -> select 'Ambarell A9 DSC EVK Platf Media' -> click 'Erase'. Connect the ONE X to your Mac via the USB connector.（ How to connect?) Insert the SD card into the ONE X and press and hold the power button to turn it on. Select 'exFAT' in File system, '128 kilobytes' in Allocation unit size -> click 'Start' to format. Click 'My Computer' -> right click 'Removable disk' -> click 'Format'. Connect the ONE X to your computer via the USB connector.（ How to connect?) Insert your SD card into the ONE X and press and hold the power button to turn it on. Open the ONE X App-> tap Settings ->select 'SD card management'. Insert the SD card into the ONE X, then connect camera with your smartphone and press and hold the power button to turn it on.

Press the shutter button to select “✓” to format. Press the power button to select 'Format' and press the shutter button to enter. Press the shutter button to switch to info. Press and hold the power button (small button) to turn it on, then switch to settings and press the shutter button (large button) to enter. If an SD card error occurs, please follow these steps to format it: Method 1: Format in the ONE X camera. Insta360 ONE X supports V30，exFAT(FAT64) SD cards (up to 128G).

How to format sd card on camera