Phone HELP!!!!!!!!!!!!!!!!!!!!!!!! stock rom

I have the htc one s. i put in a custom rom but HATE IT and want to return to stock. I tried Ruu.exe except i get error 155 please help me there if you do that then that is great because it says to take out battery except i dont htc one s doesnt have a reachable battery. if you dont know that then can you give me a htc one s stock rom that would be appreciated.

TWRP only!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !!!!!!!!!!!!


extra:

hboot:2.15

radio: 1.13.50.05.31

twrp version: 2.4.3.0



Thank You!!!!!!