HTC 10 Sprint[2PS640000] Convert To WWE[2PS620000] Need Help

Respected Team
And All My Seniors

I Need Help To Convert HTC 10 Sprint To International
Is It Safe Sprint[2PS640000] Convert To WWE[2PS620000] ?
I Know There Will Be Baseband Problem After Flash
But My Question Is :
Is There Any Hard Brick[Boot Dead] Problem After Flash 2PS620000 To 2PS640000 ?

I Will Be Grateful To All Of You For Helping
Thanks Anticipation