Identify the icon

[gmermel]

This icon appeared in my notification bar this week. I cannot figure out what app it is associated with?

Help?

 

[Javier P]

That's the data saver icon.

https://support.google.com/pixelphone/answer/7055392?hl=en-GB

 

[raqball]

Yup... Great tool and I use it all the time on Fi to keep my data use in check.. I think it's been around since 7.0 but can't say for sure..