Currently, there is a limit to the size of an MP4 file that can be saved on non-Apple phones, and it is typically 4GB. However, further development on this issue may have resulted in the ability to multiply this by up to 4X. It may take effect in an upcoming version of this OS, such as Android 11.
https://www.notebookcheck.net/Android-may-be-able-to-increase-the-maximum-size-of-its-video-files-in-the-future.448784.0.html