With the rise of eSIM and Apple’s push toward a carrier-less future (e.g., US iPhone 14 and 15 models with no physical SIM tray), the traditional "unlock tool" is evolving.
Always check the IMEI before buying a used iPhone 13 using a free blacklist checker. Prevention is better than any unlock tool. iphone 13 unlock tool
Open Finder (Mac) or iTunes (Windows) and select when the prompt appears. Using iCloud "Find My" : With the rise of eSIM and Apple’s push