Wan to update iPhone 4 or iPhone 3GS to update latest iOS without updating iPhone baseband to unlock it later using UltraSn0w or Gevey SIM? you’re at the right place. These are the steps to update iPhone 4 or iPhone 3GS to latest iOS firmware without updating the baseband.
RedSn0w brings the Restore feature to update iPhone iOS without updating the baseband. Baseband preservation is applicable to iPhone 4 and iPhone 3GS. iPhone 5 or iPhone 4S are not supported.
Simply follow the RedSn0w steps below to update your iPhone 4 and iPhone 3GS firmware without updating the baseband for unlocking.
How to Update iPhone 4, 3GS Without Updating Baseband
This guide is for both Windows and Mac users.
Downloads
Download RedSn0w 0.9.15b1: Windows | Mac
Download iOS Firmware you would like to upgrade to for your iPhone 4 or iPhone 3GS
Step 1
- Extract the downloaded RedSn0w zip file and you’ll get the RedSn0w.exe;
- Now execute the RedSn0w.exe file and click Extras from the RedSn0w menu;
- Then click Even More;
- and then click the Restore button.
Step 2
Click on the IPSW button;
Browse and select the download iOS firmware file you would like to update to and then hit the open button;
RedSn0w will prompt you if you would like to Prevent baseband update. Click the Yes button to prevent your iPhone baseband from updating.
Step 3
RedSn0w will prompt you that the DFU mode is required. Click the OK button;
Now connect your iPhone 4/3GS to your computer, turn it OFF and click the Next button on RedSn0w;
Follow the on-screen instructions to enter DFU mode. Also checkout our guide on how to put iPhone in DFU mode.
- Release the Power (corner) button for 3 seconds
- Without releasing the Power button, also hold down the Home button for 10 seconds
- Without releasing the Hom button, release the Power button BUT keep holding the Home button until RedSn0w detects the device.
Step 4
Once you’ve successfully entered your iPhone in DFU mode, RedSn0w 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.
So this works with IOS 6 as well for iPhone 4?
Yes.
My iPhone 4 Restore IOS5.1.1(9B208) Have Unexpected error (2601)..I use RedSnow 0.9.15b2..Y????
I also get this error message.
Haiksss…..dev-team FAST !!!!
error 2601 not fixed in 0.9.15b2 !!! Help……
hey i am trying this method but after ibss upload it says phone found in dfu mode instead of recovery so cannot restore ipsw and then closes i am using 0.9.15b2 how to overcome this problem?
there is an error in the latest version of redsn0w, wait for the dev-team to update it and fix the error.
Its not working, Cann’t restore my iPhone 3GS with Redsn0w 0.9.15b2 , Error has not fixed yet and Now I stuck in recovery mode, I cann’t push iOS 6 nore my previous 5.1.1.
I am totally lost, my iPhone become dead.
Redsn0w fucked me!!!!!!!!!
so do i now what should ;ve done….
Hi my i phone 4 gets error 2601 when restoring… and stuck at Recovery mode. redsn0w recovery fix doesn;t work at all. i’m using Gevey sim. so what should i do? Help guys..
Hi my i phone 4 gets error 2601 when restoring… and stuck at Recovery mode. redsn0w recovery fix doesn;t work at all. i’m using Gevey sim. so what should i do? Help guys..
It worked for my iphone 3gs with redsn0w_win_0.9.15b1, just followed instruction by letter, thanks
Updated my iphone 3gs now i cant activate it, i think i need to jailbreak it, anyone helping?
I tried to restore with redsnow 15b3 and IPSW(iPhone3,1_6.1_10B144_Restore.ipsw) for updating my iphone4 IOS4.3.3 to 6.1 but I got this error during updating blobs message :
Could not fine recovery device.
Is there any body to help me?
Actually, you can find screen captures in below links :
http://euin.host22.com/images/309cd6396e74.jpg
http://euin.host22.com/images/70e7a4f017a5.jpg
http://euin.host22.com/images/d1016d687d59.jpg
please help me
I am having the same problem. “cannot find recovery mode device”. Anyone know how to fix this issue?