Add files to iCloud

It is impossible to increase the amount of internal storage in your iPad - as this is fixed during manufacture; what you have is fixed for the life of your device.  You can, however, subscribe to a higher tier of iCloud storage - but this is not a substitute for internal storage.

You have a free iCloud 5GB Storage allowance; you can subscribe to higher tiers - 50GB, 200GB and 2TB:

Subscribe to iCloud+ on iPad – Apple Support

If your internal storage is full, your only option is to better manage the storage that you have. These support pages should prove to be helpful:

About storage on your device and in iCloud – Apple Support

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

Manage your iCloud storage – Apple Support

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

Clear Other storage on your iPhone or iPad - Apple Support

Go to Settings > Apple ID > iCloud and toggle on the services you wish to sync to iCloud.

You may wish to optimize photo storage to save some space (Settings > photos)

Note that syncing your files will not remove them from your device and deleting any item on the iPad will also delete it from iCloud.

Dcsend Said:

"Add files to iCloud: Storage on iPad is full. Can’t delete anymore. How do I add files to cloud"

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Remove from iTunes Library:

Just curious: Did you remove items from your iTunes Library? Movies and TV Shows can take up GBs of data. So, remove those, as they are usually unnecessary to have installed.