Can't Find RUU For HTC M9 Developer Edition

A

AC Question

Hi guys have a little problem here hoping someone with more experience than me can help..

i have a HTC M9 developer unlocked.. i flashed it with a custom rom using TWRP.

Now i can't seem to find the correct RUU version to bring my phone back to the STOCK rom.

I've tried many different roms from my region (uk) and they all come up with the same error which is error 155

error 155 apparently indicates according the the readme. file that the image or RUU im trying to flash is the incorrect version?

Is there any app or site i can goto or download so i can input my information to get the correct RUU information??

Please somebody help! thanks