Jailbreak can be done for phones: iPhone 3GS, iPhone 4, iPhone 4S, iPhone 5 with firmware iOS 6.0, iOS 6.0.1, iOS 6.0.2, iOS 6.1.
The evasi0n utility can be downloaded:
interesting 6.1-inch iPhone 12 and iPhone 12 Pros to ship first Apple ready to start production iPhone 12
Download and unpack evasi0n.
Run the file evasi0n.exe
The program will run for a while. At the end, the utility will ask you to unlock the screen and press the “Jailbreak” icon.
iPhone will reboot and you will see the Cydia icon on your desktop.
The whole process takes about 5 minutes.
After the procedure Jailbreak, you can install the Installous replacement, the VShare program.