To be able to downgrade your device must meet these requirements: Redsn0w allows you to restore a d

The purpose of this procedure is to power down to a previous version of iOS 5.1.1 in this case so we can make the Untethered Jailbreak, because now there is only the possibility to Tethered Jailbreak iOS 6.
To be able to downgrade your device must meet these requirements: Redsn0w allows you to restore a device from iOS 5 A5 iOS 5.x any, but you need the current iOS SHSH of your iOS device and you want to install. You can not do a restore from iOS 5.x to iOS 5.x if your current iOS 5.x is installed via OTA (from the device itself). If you do not know Redsn0w not detect it, so do not worry. In A5 devices Redsn0w does not maintain the baseband, you will install the latest baseband available (iOS 6.0 at the time of writing the post). If you need to release software or Gevey SIM stay away from this re-restoration. If your iPhone is unlocked by IMEI no problem.

To install iOS 5.x on iPad 2 need the SHSH of iOS 5.x you want to go and also an SHSH of iOS 4.x. If you do not have SHSH of iOS 4.x can not install iOS 5.x.
Summarizing the above, if you want to downgrade it must be with an iPhone 3Gs, iPhone 4, iPhone 4S, iPod Touch 4 or iPad 2 (The latter requires the SHSH of iOS 4.x 5.x besides those) and all devices are needed shsh for iOS version 5.1.1.
What do you need? RedSn0w 0.9.15b1: OS X and Windows Firmware 5.1.1 or iOS: iPhone 3Gs 5.1.1, iPhone 4 (GSM) 5.1.1 (CDMA) 5.1.1, 5.1.1 iPhone 4S, iPod Touch 4 5.1.1 or iPad 2 (GMS) 5.1.1 (CDMA) 5.1.1 (Wifi) 5.1.1.
Open Redsn0w and connect your device. We click on "Tools" Click on "Even More" Click "Restore" Click "IPSW" (Here select the iOS 5.1.1 IPSW or, if you have an iPad 2 will tell you that you need the iOS 4.x also what selections ) Now Redsn0w seek your SHSH Soon after, your device will be in recovery mode now warns you that this process will update your baseband to the latest baseband available on your iPhone samsung 5500 4S, iPhone 4 or 3GS and you can choose not to update it if you need using Ultrasn0w. Begin the process of restoring your device. When you finish confirming launched samsung 5500 an ad.
Tags: Jailbreak iOS iOS 6 6 Release iPhone 5 News Related Tutorial: Jailbreak iOS 6 and unlock your iPhone 4/3GS with Ultrasn0w Fixer Redsn0w 0.9.15b1 and 6.0 Video Guide: How to Jailbreak iOS with Redsn0w 0.9.15b1 6 Video Guide : How to install Siri on your iPhone 4 or iPod Touch 4G with iOS 6 Video Guide: How to put iOS device into DFU mode (Jailbreak) About GetMovil
GetMovil is a blog managed from the city of Bahia Blanca, Buenos Aires, Argentina, for all Spanish-speaking fans of Android and iOS. I love technology, Apple Fan Boy, Geek and you can find me at @ emiliormn. Online Technical Support
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Tutorial: Untethered samsung 5500 iOS 5.1.1 Jailbreak samsung 5500 and Unlock iPhone 4/3GS with Ultrasn0w 1.2.7 Sn0wbreeze v2.9.6 and 5
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