Indeed it does have a true GPS satelite receiver. Actually, the iPhones are quite accurate. The iPhone 12 utilizes the GLONASS, Galileo, QZSS, and BeiDou const

Indeed it does have a true GPS satelite receiver. Actually, the iPhones are quite accurate. The iPhone 12 utilizes the GLONASS, Galileo, QZSS, and BeiDou constellations. Utilizing more satellites means determining location more quickly and returns better accuracy especially in marginal environments.