My phone is always at maximum storage. Looking at what is taking so much space, I found that almost 20GB is being used for “other”. I cleared my safari caches and deleted and reloaded some of the apps (googled these ideas) and nothing is helping.
One of our main goals is to ensure your device is working to your satisfaction. What model is your iPhone? Where did you select to save pictures, videos and temporary files? Have you backed up iCloud?