1. Go to Settings.
2. Choose User Name, Apple ID, iCloud, Media & Purchases.
3. Choose Cloud.
4. Tap Manage Storage.
5. Tap Change Storage Plan.
6. Choose Downgrade Options and enter your Apple ID password.
7. Choose a different plan:
8. Untuk menurunkan versi, pilih jumlah penyimpanan yang baru.
9. Untuk membatalkan iCloud+, pilih paket gratis 5 GB atau pilih Tidak ada.
10. To downgrade your plan, choose a new storage amount.
11. To cancel iCloud+, choose the free 5GB plan or choose None.
12. Tap Done. If you can't tap Done, make sure that you're signed in with the same Apple ID that you use for your iCloud+ plan. You can also try following these steps on a different device. If you still need help, contact Apple Support: https://getsupport.apple.com/

Note: Your storage space will be downgraded after the end of the current monthly or annual subscription. If you are currently using more than 5GB of iCloud space, we advise you to downgrade prudently.