Have great time training your finger to reach the fingerprint reader on the back.
What a mistake that is, completely clueless...
On the s8 unlocking is bad, but on the s8+ it is mission impossible. Can' t grasp that, what were they thinking.
Apple can make a homerun by integrating touchid in the screen, but even when they(hope not) have to put it on the back, they will find a better place , it is almost impossible not to.
But when we' ll get it on the back, apple will find a way to make a back-lit apple logo to soften the blow