Link: https://goo.gl/EJBlbK
Note: This Bypass method was tested On HTC Desire D728W But it should work too on:-
HTC Desire 828, HTC Desire 728, HTC Desire 626, HTC Desire 628, HTC Desire M8, M9, M10, And Other HTC Models With Android 5.1 HTC Sense Versiov 7.0 FRP Fectory Reset Protection Rest Done.
WARNING!
Use this Trick at your own risk! Make sure device battery is fully charged!
After Reset Device, All User data may be lost backup before.
Source