An is a method used to bypass carrier restrictions on mobile devices, most commonly iPhones . It works by using a "smart card" or "interposer SIM" (like R-SIM or Gevey SIM) to impersonate the original carrier's SIM card by spoofing its ICCID. ⚙️ How It Works
Before resorting to an ICCID unlock tool, users can try: unlock sim iccid unlock tool