*Old* -- like a year, say? castoffs of friends. Cute little buggers , icon infested with nested functions to do all sorts of stuff. The clocks always show right time and cute indicators for sig. strength.

'Course the most recent one, teensy enough to fall out of any pocket, says -- 'SIM card registration failed' --
Sounds ominously unwilling to advance to any dial-tone like state. Bloody Nokia somethingorother.

Fortunately the 2 others (in car) are older (one with analog, still == stronger signal in these parts, depending.
These appear not to care They are, apparently, quite functional for their ONE REAL PURPOSE:

Calling 911 at 3AM, should the wheels fall off. Alas, I can never 'test' the alleged fact that ALL services must take 911, even if unregistered: I accept that the dial tone is an infallible precursor that, probably. It. Would.

The monthly price is Right, and I can flip-open one and pretend to be one of the Illuminati, anytime. No added fee. Perfect consumer products, these! I must disassemble one soon.