For iOS 7, the primary tool used for an untethered jailbreak was evasi0n7 (evasi0n 7). This software allowed users to gain root access to their device. It is crucial to note that the jailbreak landscape is constantly changing, and the tools used for iOS 7 are now considered legacy software. Downloading jailbreak tools from untrusted sources is extremely dangerous and is the primary vector for malware on Apple devices.
: Go to Settings > General > Restrictions and ensure AirDrop is not toggled off. airdrop enabler ios 7.0 download