For iPhones that run iOS 12 or newer, you might follow the steps below.
This may still work for some older versions, but not all.
launch the options App
First, launch the options app on your phone.
Settings Page
tweaks Page
Go to Camera Options
There arent too many options within the Camera menu.
Camera Options
Youll be faced with a list of options both for resolution and framerate.
Pick the one that best matches your requirements and shut the app.
