My bank allow the payment for the storage and I’m still not getting any storage‼️

If you do not see the upgrade you can always check how much iCloud storage you're using in Settings on your device, on a Mac, or on iCloud.com

- On your iPhone, iPad, or iPod touch, go to Settings > [your name] > iCloud.

- macOS Ventura: Choose Apple menu > System Settings, click [your name] at the top of the sidebar, then click iCloud on the right.

- macOS 12 or earlier: Choose Apple menu > System Preferences, click Apple ID, then click iCloud.

- On iCloud.com --> https://iCloud.com

ref: Check your iCloud storage on any device - Apple Support

Manage your iCloud storage - Apple Support

If it still won't show, report the issue to Apple --> Choose your country or region - Official Apple Support Select your country, then a product.

or:

Worldwide iTunes support - Choose your country or region - Official Apple Support

seanna210 Said:

"My bank allow the payment for the storage and I’m still not getting any storage: The payment went through since this morning and till now I still can’t get no storage update"

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Troubleshooting Internal iPad Storage:

Internal storage cannot be upgraded. It is what it is. So, the maximum internal storage capacity never increases, even if you upgraded your iCloud plan. Learn More here: What's the Difference Between Device Storage and iCloud Storage? Apple Support

So, what to do...

Clear Space Using my User Tips:

• How to Clear Space from your Mobile Device, and What to Clear: - User Tip. You may have too much installed, and need to clear space. So, see my user tip: 
• How to Clear "Other" in your iPhone's Storage - Use Backup - User Tip. Caches would be being used for remembrance of application use. It is essentially the same for an iPad: Backup your iPad, and then restore your iPadfrom the backup you've just created. All System Data will delete.

Not even contacting Apple works? What did they say?