My LG G4 phone just froze.  I cannot turn it OFF and I cannot turn it ON.  Please help!

cmcmillan5108@yahoo.com

    Help. MY LG G4 Android phone just froze for the second time today.  This time it seems permanent.

    I cannot turn the phone OFF and I cannot turn in ON.

    The phone is very warm.

     

    The black screen shows the LG logo and "powered by android" at the bottom.

     

    Need some help here!

     

    Cindy

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