Redsn0w will now stitch your blobs to the firmware ipsw and automatically begin a restore to the modified firmware. step thirteen you will be informed that your restore has been successful!. When u just use the stitch function it does not preserve the baseband. it only stitches the shsh blobs to the ipsw so that u can restore outside apples "signing window" so if u wanna preserve the baseband and then restore to an ipsw outside the signing window for eg: 5.0.1. u need to create a custom ipsw and then stitch blobs to that ipsw. How to: stitch shsh blobs together using redsn0w backup shsh blobs for any firmware - iphone 4, 3gs, ipod touch 4, how to save shsh blobs and make a custom ipsw file with redsn0w for.
