What does PCS in MetroPCS stand for?

I’m curious to find out what the acronym PCS stands for in MetroPCS. I’ve searched everywhere online and can’t find the answer. Someone help me.

Personal Communications System (but I called them metroPOS, because they ꜱᴜcκed!)
Pcs Acronym
communications) Personal Communication Services – (PCS) Telecommunications services that bundle voice communications, numeric and text messaging, voice-mail and various other features into one device, service contract and bill. PCS are carried over cellular links, most often digital.
I call it metro piece of PC stands for piece an S stands for PCS

METRO PCS
Police cop service phones are tapped