Sometimes certain Android devices don't have a proper rooting solution, therefore known apps released to root phones and devices don't work properly or not at all (as you can see in your case). Based on your provided code, the phone is actually a HTC Desire 626.
You are in luck, because there are rooting procedures available. Access the XDA Forums link posted here: http://forum.xda-developers.com/desire-626/help
Read the tutorials and you will find something that works for you.