Start Updating your device ios 5

Updating your device ios 5

Here are some important points to note before you proceed. Step 2: You need to download the i OS 5.0.1 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_5.0.1_9A405_Restore.ipsw) i OS 5 firmware file for i Phone 3GS from this link (i Phone2,1_5.0.1_9A405_Restore.ipsw) Step 3: Double click the Redsn0w zip file and extract the application to the Redsn0w folder.

Step 11: You will now need to put your i Phone into the DFU mode.

Redsn0w will take you through the necessary steps: (a) Hold the Power button on i Phone down for 3 seconds: (b) Now simultaneously hold the i Phone and keep the two buttons pressed for 10 seconds: (c) Now release the Power button while keeping the Home button pressed until Redsn0w detects the device: Step 12: Redsn0w will run the Limera1n exploit.

Step 13: You will be notified when your i Phone is in Pwned DFU mode. Important Note: It is very important that you hold down the Option button else you will end up accidentally upgrading your i Phone to i OS 5, so please follow the instructions carefully.

The Pwned DFU will allow you to restore your i Phone using the custom i OS 5 firmware file. Step 16: Navigate to the Redsn0w folder on the desktop and select the downloaded i OS 5 firmware file (i Phone 4 users – please select NO_BB_i Phone3,1_5.0.1_9A405_and i Phone 3GS users – please select NO_BB_i Phone2,1_5.0.1_9A405_Restore.ipsw).