Please check your SD card error message first (it varies slightly from model to model). Basically, they can be categorized into the following types.

Display * SD/TF card error, * please replace the SD card

If your action camera is showing a "Card Error" message and you are unable to format it, there are several things you can try to troubleshoot the issue:
①：Check the SD card: Make sure the SD card is properly inserted into the camera and it is not damaged or corrupted. If it is damaged, you may need to replace it.
②：Format the SD card on a computer: If the camera is unable to format the SD card, you can try formatting it on a computer. Insert the SD card into a card reader and connect it to a computer. Right-click on the SD card and select "Format." Choose the appropriate file system and format the SD card. Once done, try inserting it back into the camera and see if the issue is resolved.
③：Try a different SD card: If the above methods do not work, you can try using a different SD card. Sometimes, the issue may be with the SD card itself and not the camera.

Display *No SD card recognised.

①：Please check if the SD card is inserted normally

②：Please change a SD card to try to identify whether the machine card slot has a problem or the former SD card problem

Display *Please format SD/TF card

①：Please format SD card through the camera several times and try again.②：Please use computer to format the SD card if the initialisation of the camera is still invalid.③：If the above is not effective, please replace the SD card and try again.

Questions? Click to email us: cs@akasotech.com