: Amateur attempts to modify the baseband or system files can permanently disable your iPhone's ability to connect to any cellular network. Warranty and Security : Any such modification voids your Apple Warranty and leaves your device vulnerable to security exploits. Why Jailbreaking Isn't Enough
Changing the IMEI (International Mobile Equipment Identity) of an iPhone is through standard jailbreaking and is illegal in many jurisdictions. The Reality of IMEI Changing change imei iphone jailbreak
Modern iPhones (iPhone 5 and later) utilize a Baseband Processor that stores the IMEI in a specific memory segment, often referred to as or secure NVRAM. : Amateur attempts to modify the baseband or