You can upgrade your camera firmware to the latest version through the link below.
In the SET mode, press MENU, go to "Version" menu option, check the model type and the current firmware version number, select the link corresponding to the major version, open the upgrade page, download the upgrade file (save it in .img format), and follow the instructions on the upgrade page to upgrade.
If you have any questions during the upgrade process, please contact email@example.com.
2021-11-12 Update: V3.0.53/ Add: V2.1.28
2022-04-15 Add: V6.2.58
2022-06-24 Update: V3.0.59
2022-10-15 Update: V6.2.70/ V6.2.73 Add:V6.2.72
2023-03-15 Update: V6.2.83