Want the answers to questions about the iPhone? You'll find questions and answers here.
How do I use the extra GB I purchased?
In what way did you buy extra GB? ICloud storage?
I purchased it through my phone through I cloud where it says manage your storage. I purchased 10 extra GB and I have 12GB left that I am not able to use
iCloud storage is used to back data on your iPhone. It does not add memory to your iPhone.
What did you want to do with the iCloud storage?
You cannot add mnore memory to your iphone at all.
You purchased more icloud storage. This has nothing to do with the memory on your iphone.