Need help in getting more storage!

You cannot acquire more iPhone storage without purchasing a new iPhone.

What's the difference between device storage and iCloud storage? - Apple Support

But you can manage the storage you have.

How to check the storage on your iPhone and iPad - Apple Support

The help is there in my response!

The first article I provided has a whole section called “iCloud storage”. And it contains a bullet “Learn how to get more iCloud storage” providing all the details you need.