Step 5: Navigate back to the Redsn0w folder and launch the Redsn0w application. Step 7: Here click on the “Custom IPSW” button from the options.Step 8: Navigate to the Redsn0w folder on the desktop and select the downloaded i OS 5 firmware file (i Phone 4 users – please select i Phone3,1_5.0_9A334_and i Phone 3GS users – please select i Phone2,1_5.0_9A334_Restore.ipsw).Step Thirteen Red Sn0w will tell you when the restore has been completed successfully.ANSWERS: If you need help with this tutorial please post a question in the comments or submit a question to the i Clarified community using our Answers section.Here are some important points to note before you proceed. 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.
This being said, this is how to upgrade to i OS 4.1 without upgrading the baseband… If you haven’t already done so, make sure to save your i Phone 4.1 SHSH blobs. You should now be on i OS 4.1 but the good thing is you haven’t updated your baseband.Few days back, i Phone Dev team had released a new version of Redsn0w for i OS 5 that also included the Pwnage Tool functionality, which allows users to create a custom i OS firmware file that can be used to update the i Phone to jailbroken i OS 5, while preserving the baseband so that they can use Ultrasn0w to unlock it.In this guide, we will take you through the step by step procedure to jailbreak i Phone running i OS 5 without updating the baseband using Redsn0w.Once you’ve successfully entered your i Phone in DFU mode, Red Sn0w will exploit it using Limera1n.Then it will prepare a restore image, restore the device with new firmware, and it will prompt you when the restore process is completed successfully.This tutorial will show you how to upgrade your i Phone 4 to 4.1 without upgrading its baseband using Tiny Umbrella. Step One Download Tiny Umbrella from here Also make sure to download the i Phone 4 4.1 Firmware Located Here Step Two Right Click the Tiny Umbrella exe (umbrella-4.1.6.exe) and Choose Run as administrator from the contextual popup menu.We recommend reading the Tiny Umbrella Read Me Located here before doing anything. If you get a Windows Security Alert, make sure both boxes are checked, and hit Allow Access Step Three Make sure the device is connected, and Umbrella has detected the type of device and its firmware.Step 9: Redsn0w should now creating the custom i OS 5 firmware file.Step 10: Once the custom i OS 5 firmware file is successfully created, you will be notified with a dialogue box. You will notice that Redsn0w has created the custom i OS 5 firmware file with a prefix “NO_BB_”.Step Four Make sure Cydia or Tiny Umbrella has an SHSH of the latest firmware. If you have problems saving the SHSH follow this tutorial here first.Hit Start TSS Server and make sure you receive no errors. Your restore will not work if the TSS server cannot be started. Browse to and select the i Phone 4.1 Firmware File.