try to turn back on but it was blank black and I need it fix

hello

my phone iphone 7 went blank and i try to turn back on but it was blank black and i need it fix to mess my friends and stuff so idk what to do now i am try to fix my phone but it cast 1.50 it is a lot i know but i try to use mu money for my mickstake and go to the apple store with my family and see it will work or not ii hope so it is not broken it is kinda broken bc the sceecn is frozen is not working and yeah when i get my phone fix i will play game on iit and text my bff to and also my bf to so and i am so happy bc my phone is get fix and be ok to so i can mess my friends now and do the other stuff to well byeeeeeeee7653