I Went Inside Apple’s Labs to See How Apple Watch Connectivity Is Tested

Stepping into the padded vault felt like entering some kind of portal. The sterile white room was lined with jagged, pyramid-shaped foam spires; a cross between a recording studio and some kind of icicle torture chamber straight out of Elsa’s castle from the movie Frozen. I glanced down at my phone: no bars. Deep inside Apple’s testing labs, I was officially off the grid.

I’ve been reviewing smartwatches for almost a decade, but I’ve never once stopped to wonder how connectivity actually works on the…