blu studio series; turn on phone, what is blue circle on bottom?

[Android Central Question]

has numbered graph on right side.

 

[B. Diddy]

Welcome to Android Central! Show us a screenshot: http://forums.androidcentral.com/ge...ide-how-post-screenshots-android-central.html. You'll have to register on this forum first. https://forums.androidcentral.com/ask-question/409154-join-android-central-community.html