Based on the information available, the appears to be a third-party utility often categorized as an "activation bypass" or "iCloud unlock" tool. Important Security Warning
Enabling iPhones to work with different network providers.
A simple server-side check to see if an iPhone’s IMEI is already whitelisted by Apple as permanently unlocked.
To help me narrow down what you are looking for, are you interested in: on a GSM iPhone? Unlocking a GSM phone from a specific carrier? Fixing signal issues ?
: Be extremely cautious of sites asking for money for a "free" tool. Experts note that many tools claiming to work on iPhone 11 or newer (A12+ chips) are often scams or malware.
bootrom exploit. Newer devices (iPhone XS and later) are generally not supported because the hardware exploit they rely on was patched by Apple. Jailbreak Requirement: Most functions require the device to be jailbroken