Apple just released its latest iOS 8.1.1 update yesterday. While it debugged many little bugs found earlier, several users have found many new bugs in this latest update. If for any reason you wish to downgrade iOS 8.1.1, here are the steps and direct download links to save you out.

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Prerequisites to downgrade iOS 8.1.1:

Make sure you have updated your device to the latest iTunes. Download appropriate iOS firmware file for your device – direct download links below.

• Connect your Apple device to your PC and wait for iTunes to open and connect to your device.
• Click on the device button in iTunes and hold down the Alt / option key (Mac) or shift key (Windows) and click Check for Update button in the Summary pane.
• From the download links shared below, download the appropriate file. Locate the same .ipsw file downloaded from links and select it.
• In case you don’t see any new version to downgrade to:
  • create a backup, and then put your device into DFU (Direct Firmware Update) mode. DFU will help you install whichever OS you want to.

Important: Apple doesn’t support downgrading to older firmware builds. This method will only work until Apple signs the iOS 8.1.1 firmware, which will likely happen very soon.

Direct download links:

Downgrade iOS 8.1.1 – iOS 8.1 direct download links:

• iPhone 6: iPhone7,2_8.1_12B411_Restore.ipsw
• iPhone 6 Plus: iPhone7,1_8.1_12B411_Restore.ipsw
• iPhone 5s GSM+CDMA: iPhone6,2_8.1_12B411_Restore.ipsw
• iPhone 5s GSM: iPhone6,1_8.1_12B411_Restore.ipsw
• iPhone 5c GSM+CDMA: iPhone5,4_8.1_12B411_Restore.ipsw
• iPhone 5c GSM: iPhone5,3_8.1_12B411_Restore.ipsw
• iPhone 5 GSM+CDMA: iPhone5,2_8.1_12B411_Restore.ipsw
• iPhone 5 GSM: iPhone5,1_8.1_12B411_Restore.ipsw
• iPhone 4S: iPhone4,1_8.1_12B411_Restore.ipsw
• iPad Air 2 Cellular: iPad5,4_8.1_12B410_Restore.ipsw
• iPad Air 2 Wi-Fi: iPad5,3_8.1_12B410_Restore.ipsw
• iPad Mini 3 China: iPad4,9_8.1_12B410_Restore.ipsw
• iPad Mini 3 Cellular: iPad4,8_8.1_12B410_Restore.ipsw
• iPad Mini 3 Wi-Fi: iPad4,7_8.1_12B410_Restore.ipsw
• iPad Mini 2 China: iPad4,6_8.1_12B410_Restore.ipsw
• iPad Mini 2 Cellular: iPad4,5_8.1_12B410_Restore.ipsw
• iPad Mini 2 Wi-Fi: iPad4,4_8.1_12B410_Restore.ipsw
• iPad Air China: iPad4,3_8.1_12B410_Restore.ipsw
• iPad Air Cellular: iPad4,2_8.1_12B410_Restore.ipsw
• iPad Air Wi-Fi: iPad4,1_8.1_12B410_Restore.ipsw
• iPad 4 GSM+CDMA: iPad3,6_8.1_12B410_Restore.ipsw
• iPad 4 GSM: iPad3,5_8.1_12B410_Restore.ipsw
• iPad 4 Wi-Fi: iPad3,4_8.1_12B410_Restore.ipsw
• iPad 3 GSM: iPad3,3_8.1_12B410_Restore.ipsw
• iPad 3 CDMA: iPad3,2_8.1_12B410_Restore.ipsw
• iPad 3 Wi-Fi: iPad3,1_8.1_12B410_Restore.ipsw
• iPad Mini CDMA: iPad2,7_8.1_12B410_Restore.ipsw
• iPad Mini GSM: iPad2,6_8.1_12B410_Restore.ipsw
• iPad Mini Wi-Fi: iPad2,5_8.1_12B410_Restore.ipsw
• iPad 2 New: iPad2,4_8.1_12B410_Restore.ipsw
• iPad 2 CDMA: iPad2,3_8.1_12B410_Restore.ipsw
• iPad 2 GSM: iPad2,2_8.1_12B410_Restore.ipsw
• iPad 2 Wi-Fi: iPad2,1_8.1_12B410_Restore.ipsw
• iPod touch 5G: iPod5,1_8.1_12B411_Restore.ipsw

Direct download links for iOS 8.0:

• iPhone 4S: iPhone4,1_8.0_12A365_Restore.ipsw
• iPhone 5 GSM: iPhone5,1_8.0_12A365_Restore.ipsw
• iPhone 5 GSM+CDMA: iPhone5,2_8.0_12A365_Restore.ipsw
• iPhone 5c GSM: iPhone5,3_8.0_12A365_Restore.ipsw
• iPhone 5c GSM+CDMA: iPhone5,4_8.0_12A365_Restore.ipsw
• iPhone 5s GSM: iPhone6,1_8.0_12A365_Restore.ipsw
• iPhone 5s GSM+CDMA: iPhone6,2_8.0_12A365_Restore.ipsw
• iPhone 6 Plus: iPhone7,1_8.0_12A366_Restore.ipsw
• iPhone 6: iPhone7,2_8.0_12A365_Restore.ipsw

• iPad 2 Wi-Fi: iPad2,1_8.0_12A365_Restore.ipsw
• iPad 2 GSM: iPad2,2_8.0_12A365_Restore.ipsw
• iPad 2 CDMA: iPad2,3_8.0_12A365_Restore.ipsw
• iPad 2 New: iPad2,4_8.0_12A365_Restore.ipsw
• iPad Mini Wi-Fi: iPad2,5_8.0_12A365_Restore.ipsw
• iPad Mini GSM: iPad2,6_8.0_12A365_Restore.ipsw
• iPad Mini CDMA: iPad2,7_8.0_12A365_Restore.ipsw
• iPad 3 Wi-Fi: iPad3,1_8.0_12A365_Restore.ipsw
• iPad 3 CDMA: iPad3,2_8.0_12A365_Restore.ipsw
• iPad 3 GSM: iPad3,3_8.0_12A365_Restore.ipsw
• iPad 4 Wi-Fi: iPad3,4_8.0_12A365_Restore.ipsw
• iPad 4 GSM: iPad3,5_8.0_12A365_Restore.ipsw
• iPad 4 GSM+CDMA): iPad3,6_8.0_12A365_Restore.ipsw
• iPad Air Wi-Fi: iPad4,1_8.0_12A365_Restore.ipsw
• iPad Air Cellular: iPad4,2_8.0_12A365_Restore.ipsw
• iPad Air China: iPad4,3_8.0_12A365_Restore.ipsw
• iPad Mini 2 Wi-Fi: iPad4,4_8.0_12A365_Restore.ipsw
• iPad Mini 2 Cellular: iPad4,5_8.0_12A365_Restore.ipsw
• iPad Mini 2 China: iPad4,6_8.0_12A365_Restore.ipsw

• iPod touch 5G: iPod5,1_8.0_12A365_Restore.ipsw

[Update]: Apple has stopped signing iOS 8.1, which means you can no longer downgrade iOS 8.1.1 to iOS 8.1.