[2021] When will i get my S7 Rank Loading border?

There is a bug with certain ranks ofthe S7 loading frame that will be fixed in 8.2

You can read about it here: https://smitegame.com/news/goddess-of-the-salt-sea-8-2-update-notes/

in the "Bug Fixes - UI" section

All frames should be properly distributed on 8.2 launch day