Intro and icon question

Hi everyone, Wayne here. I am Brisbane based. Just started using a 7 edge. Got an icon I cant identify. Hopefully someone has seen it before. See below ... the one with the + inside the circle. Is it related to memory/ram?? Any ideas welcome...

View attachment 4695 View attachment 4695

from Android Authority Forums http://ift.tt/2nFjOg3
via IFTTT