After your carrier confirms the unlock, you must re-activate the device to apply the new settings. You can do this by inserting a new SIM card or using 3uTools to "Flash" the device.
If you see guides claiming "exclusive" carrier unlocking via 3uTools, they are often misleading or referring to a temporary jailbreak-based bypass carrier unlock iphone using 3utools exclusive
The following report is a draft for informational and educational purposes only. 3uTools is a third-party tool not affiliated with Apple. Permanently unlocking a carrier-locked iPhone typically requires an official carrier unlock (IMEI whitelist). 3uTools cannot bypass Apple’s activation servers for permanent carrier unlocks. This draft outlines the theoretical process and common misconceptions. After your carrier confirms the unlock, you must
This is where 3uTools becomes "exclusive" in its utility. It is the preferred tool for users utilizing (interposer chip) methods. 3uTools is a third-party tool not affiliated with Apple