Deleting all apps on an older iPhone
How do I delete all my apps on my older iPhone?
[Re-Titled by Moderator]
iPhone 13 Pro, iOS 18
If you want to erase the iPhone to start fresh, see:
How to factory reset your iPhone, iPad, or iPod touch - Apple Support
If you plan to sell or give it away, see:
What to do before you sell, give away, or trade in your iPhone or iPad - Apple Support
If you just want to delete apps, you'll have to do that individually for each app.
Regards.