You can follow these step-by-step instructions to jailbreak your i Phone 4 and i Phone 3GS: Step 1: Download Redsn0w 0.9.9b7 for Windows from this link and Redsn0w 0.9.9b7 for Mac from this link and save the application in a folder named “” on your desktop.
Step 2: You need to download both the i OS 5 firmware file (use Firefox or Chrome to download the firmware file instead of using Internet Explorer or Safari): i OS 5 firmware file for i Phone 4 from this link (i Phone3,1_5.0_9A334_Restore.ipsw) i OS 5 firmware file for i Phone 3GS from this link (i Phone2,1_5.0_9A334_Restore.ipsw) Step 3: Double click the Redsn0w zip file and extract the application to the Redsn0w folder.
- Deep scan and extract i Phone data from i Tunes backup files without i Phone.
- Recover up to 12 types of data: music, photos, contacts, SMS, call logs and more.
Click on the ‘‘ button to let i Tunes update your i Phone with the required firmware.
After launching Redsn0w, click on Extras, then click on Select IPSW.Deep Scan and Directly Recover Data from i Phone Device * In the mode: "Recover from i OS Device", the program will deep scan data and directly recover lost data from i Phone device. It is helpful when you inadvertently deleted files or when device encountering hardware or software failures.A powerful new tool has just been released for jailbreakers to “unjailbreak”.It’s called Cydia Impactor, and it’s an on-device tool that lets you remove and revert all changes made to a device to return it to its stock configuration.The most notable thing about this tool is that it allows you to return to stock without needing to upgrade your device.