Tutorial: how to downgrade to iPhone OS 5.0.1 on the iPhone 4S

With this tutorial you to downgrade your iPhone 4S to IOS 5.0.1, IOS can do so from 5.1, 5.1.1 or 5.0.1 even from your own if you want to restore.

5.0.1 IOS installing get untethered jailbreak.

WARNING: This tutorial updates the baseband to 5.1.1 baseband IOS, if you need any release not in use.

To follow this guide you'll need:

• IOS 5.1.1
• IOS 5.0.1

Redsn0w 0.9.11b1

• Mac
• Windows

Tutorial:

Open Redsn0w

Click Extras

Press Even More

Selects the option Restore

Click IPSW

Select the 5.0.1 firmware you downloaded IOS

This warning appears saying that you need another firmware

Click OK and select the 5.1.1 firmware you downloaded

You will leave a notice saying that your baseband will be updated, if you need not keep or release the loose, if you do not need press YES
Your iPhone will in Recovery Mode

Now you must select your SHSH IOS 5.0.1, you can please do it remotely or locally

Remote gather the Cydia SHSH

Local will make your computer using the TinyUmbrella SHSH saved or downloaded with Redsn0w

The simplest is "remote"

Now stick the SHSH your firmware and restore

After the restoration appears this notice:

Already in iPhone OS 5.0.1 again, if you want to jailbreak follow this tutorial.