Just a little explanation of the newly added iTunes file sharing support : you can now transfer to/from your ios device your blocks library or custom screens setups etc.
Here is how to do it :
https://support.apple.com/en-us/HT201301
If one kind soul wanna make a video of it it would be great
Here is how to do it :
https://support.apple.com/en-us/HT201301
If one kind soul wanna make a video of it it would be great