root Htc One mt

[AC Question]

i just got a htc one from a friend and its already with the bootloader unlocked ,when i try to do a factory reset it takes me to twrp 2.5 recovery and it freezes on the slide to unlock screen .i dowloaded rom installer from the store to try and update the twpr but i gives error everytime.the phone is not rooted at the moment but it was at a certain time.what can i do?please help

 

[VW Maverick]

Welcome.
Can you restore it back to stock?

Mav.

 

[dizes es]

how do i do that at this moment?sorry but i´m a newbie when it comes to this .

 

[dizes es]

i googled a bit and i found some tools , Revone etc, is that it? i want the phone rooted anyways ,wont rooting the phone then using rom manager to update twrp work then?thank you for your help.