GSM Flasher Tool Download Page
It is the best bypass google account tool, that is also free of cost. It works for almost all versions of Android. And it is very easy to use. So I think you should try this.
It works for almost all versions of Android and for almost all android devices like Samsung, HTC, MI, QUALCOMM, SPD, MTK etc. GSM FRP BYPASS also works for the old version of SP Flash. It is free of any cost.