Follow these steps precisely. Do not turn off power during the process.
Alternatively, you can often find the version displayed at the bottom of the "Update" page within the official when the camera is connected via Wi-Fi. Where to Download the Firmware apeman a77 firmware update
You can usually find the firmware here:
To update the firmware on an Apeman A77 , you must typically contact the manufacturer directly to receive the correct version for your specific device. Updating with incorrect firmware can permanently damage the camera. images-eu.ssl-images-amazon.com How to Obtain Firmware Follow these steps precisely
Firmware updates do not change the fact that the "4K" video is likely interpolated apeman a77 firmware update