There are two method

Method A:  online upgrade

1.      Use EZVIZ SPORTS App.

2.      If there is a new firmware release, then the app will have a notification. You can according to the notification upgrade or not.

Method B:  offline upgrade

1.      Visit EZVIZ support center (https://service.ezvizlife.com/download ) to download the new firmware.

2.      Input the new firmware to SD card.

3.      Reboot the action camera, then it automatically upgrade.

4.      After upgrade success, camera will reboot again

Note: the new firmware should put in the outermost directory. The camera power should over 50% when upgrade.

Click here to see the details.

This method is applied for the EZVIZ customers in the US and UK region. For other countries/regions, this feature might not be available

No limit.

Click here to get detailed instructions.

In Hi-Def mode, if keep viewing will consume 4Mb in 1 minute.

The IR spectrum is 850nm.