my phone can't open the storage

Hi saharmarmar2,

Welcome to the Apple Community.

Re: my phone can't open the storage

Apple support have article online to help guide you:

For: iCloud:

How to use iCloud on iPhone – Apple Support

says:

"Go to Settings  > [your name] > iCloud.

See your iCloud storage status.

Turn on the features you want to use, such as Photos, Mail, Contacts, and Messages."

More info:

Check your iCloud storage online or on any device – Apple Support

What you can do with iCloud storage – Apple Support

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

iCloud User Guide – Apple Support

___________________________________________________________________

For iPhone:

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

If you need more space for an update on your iPhone, iPad, or iPod touch - Apple Support

NB: See: "Manage space on your iPhone,"

How to: Clear Other storage on your iPhone or iPad - Apple Support

Hope this helps :-)