Storage

Hi Aprilw1215,

Welcome to Apple Support Communities! Let's go over all options to ensure you have enough available storage space to continue shooting great photos and videos on your iPhone.

Since you recently upgraded your iCloud storage and are still encountering an issue when trying to download new apps or take photos, this indicates that the internal storage of your iPhone itself is full.

The following guide has helpful information about the difference between iPhone storage and iCloud storage:

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

While iCloud storage can be used to make more space available on your device, you'll want to configure your device to do so, customizing options for your needs.

For example, it's possible to optimize the way that Photos on your iPhone stores data so that more space is made available. This article explains how:

Manage your photo and video storage - Apple Support

You may also see additional recommendations to save storage space by following the instructions in this guide:

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

Let us know if this information helps, or if you've got any questions.

Have a great day!