Select from the options menu and enter your new descriptive title.
: If you are managing multiple videos, stick to a naming convention like YYYYMMDD_ProjectName_Topic.mp4 to make them easy to find later. How to Rename the Video on Mobile
Could you share ? I can help you brainstorm a catchy title and a basic outline for the post. How to Write a Blog Post for Beginners: From Start to End
If you are working directly from your phone, you can't usually rename files in your standard gallery. You must: Open your or "Files" app.