There’s a simple explanation behind the missing window, though:
the iPhone 12 doesn’t support mmWave 5G outside of the United
States. If you peruse Apple’s frequency bands page, you’ll
see that compatibility with bands n260 and n261 are simply missing
everywhere else in the world.
Honestly, I’m not sure it’s a huge loss. mmWave 5G does offer far
higher speeds than the “nationwide” flavor of low-band 5G
that you’ll also find rolling out today, but the only other
consistent thing about mmWave is its inconsistency, since even
outdoors, you might not find a signal from one street corner to
People got excited when they saw this because it looks like the magnetic window for pairing an Apple Pencil to an iPad Pro.