How do you care for your phone's glass back?

In 2017, we have flagships that are decked out in terms of hardware and wrapped in premium-feeling materials — that's the base you need if you want to survive in this oversaturated, cutthroat market. Wireless charging is now a standard feature — from Samsung, to LG, to Apple's iPhones — and while some do it via proprietary magnetic connectors, like the new Essential Phone, most accomplish it through good old inductive charging. And that latter one requires glass backs.

Every smartphone fan has their opinion on glass backs, but we think it's fair to say that the ...