I need Help with update my iPhone and my storage

You bought iCloud storage, that does not increase the amount of storage on your phone.

You will have to delete files off your phone to free up space. You can also use a computer to update, using a computer to update requires less free space on your phone.

Update using your computer -

Update iOS on iPhone - Apple Support

Here are some helpful articles that can guide you on how to free up storage space on your phone.

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

Manage your photo and video storage - Apple Support

Clear Other storage on your iPhone or iPad - Apple Support

Hello~ Click on below and review…

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

~Katana-San~

Upgrade my iPhone storage