Yes. Modifying an iOS device’s firmware is advanced and carries risks:
These methods usually involve creating or downloading a "hacked" file that has the (the activation screen app) removed or modified. iOS 10.2 / 10.3: icloud unlock iphone 5 cfw ios 102 animetrickcom
Because the device never validates its cryptographic keys with Apple's activation servers, the baseband chip remains unactivated. This means . The phone effectively functions as an iPod Touch. Apple Services Restrictions icloud unlock iphone 5 cfw ios 102 animetrickcom
Standard iTunes blocks altered firmware. Modders used specialized tools (such as older versions of 3uTools, redsn0w, or libimobiledevice scripts) to force-feed the edited software package into the iPhone 5. Limitations of the CFW Bypass Method icloud unlock iphone 5 cfw ios 102 animetrickcom