You don’t need to "jailbreak" or modify the phone’s software deeply.
Wait for the "Activation Required" screen or a pop-up menu. unlock sim iccid unlock tool
In many regions, including the U.S. under the Unlocking Consumer Choice and Wireless Competition Act, consumers have the right to unlock their devices to switch carriers, provided the device is fully paid for. However, using third-party tools to bypass a contract you are still actively paying for may violate your agreement with the carrier. You don’t need to "jailbreak" or modify the
Here is everything you need to know about using an ICCID unlock tool to free your device. What is an ICCID? under the Unlocking Consumer Choice and Wireless Competition
The process generally involves a hardware-software combination. You place a paper-thin "interposer" chip underneath your SIM card. Once inserted, a menu pops up on the iPhone, allowing you to enter a code.
Select the "Edit ICCID" option and type in the latest 20-digit working code found on community forums.