when on the cell black screen show with small cross at the end corner of screen.

[AC Question]

no other application open still stuck for sometime home screen show without any application plz tell me how to recover my cell(Samsung galaxy s6)

 

[B. Diddy]

Welcome to Android Central! Force a shutdown by pressing Home and Vol Down together for about 10-15 seconds. Then try powering on normally again. Does the problem still happen?