I have a lumia 625 and is in planemode and can't tourn it off. now is dead. Any help?

[Windows Central Question]

Firts it has no signal, i turn the celphone off and on again and it was in plane mode. I tried the windows toll recovery but did't worked. Now it's frezzed and i don't know what alse to do. Any suggestion? (Sorry for bad english, i'm argentinian)