Why does my iPhone 12 say 4G not 5G?

According to Apple: If you have iPhone 12, iPhone 12 mini, iPhone 12 Pro, or iPhone 12 Pro Max, and both phone lines are active, 5G isn’t available . … While using two lines in Dual SIM mode, 5G data isn’t supported on either line and will fall back to 4G LTE.

Yes, each of the iPhone 12 models have 4G LTE connectivity in addition to 5G . The iPhone 12 lineup has the most 5G bands of any smartphone.

All of the new iPhone 12 models come with 5G connectivity, both in the US and internationally . The superfast millimeter wave 5G connectivity is only available in US models. (Verizon is the technology’s main proponent.) The entire iPhone 12 lineup also features a new design, reminiscent of Apple’s iPad Pro tablets.3 Ara 2020