Galaxy S6 sold green lite after charging? Next try?

[dead phone cc]

dead phone cc just saying hi before I start .My daughter phone is sat on . I know from some utube an reading it's a problem ,Galax S6 that is at a death screen black. Has had a blue lite ,she reset it 3 times with her lil keyto. Then she did the 2 key bottom thing.They said to do.Sold red lite came on figured it whent dead. has a green lite now.Blue mean screen freeze it says on utube.But i don't have a book to this phone.an don't won't to push more keys yet .With doing Charged it still has black screen an I can also see the LCD as a small crack from her sitting it black screen still what next anyone please first time using this please bear with me. THANK you if some one can or may know something... dead phone cc

 

[B. Diddy]

Welcome to Android Central! I moved this from Intros to the S6 forum, since you're more likely to get answers here.

Is she able to boot into Safe Mode? https://support.t-mobile.com/docs/DOC-29226