fariyang Said:
"iCloud+ 200GB storage on 64 GB iPhone: i have purchase the icloud+ for 200gb and my phone storage is 64gb, why my storage always full meanwhile I just automatically connect to icloud+? how’d that works? i confuse how to "
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iCloud Does Not Backup Everything:
Despite having used so much storage on your iPhone, you’re not going to back it up 100% to iCloud Drive: What does iCloud back up? - Apple Support
Clear Some iPhone 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: