Download iOS 11.3.1 IPSW for iPhone, iPad and iPod Touch
Unsigned IPSWs
Apple has stopped signing these firmwares. You cannot restore or downgrade to this firmware via iTunes.
Device
Version (Build)
Release Date
Size
File name
iPod Touch 6
(iPod7,1)
(iPod7,1)
11.3.1 (15E302)
Apr 24, 2018
2.31 GB
iPod7,1_11.3.1_15E302_Restore.ipsw
iPhone 7 Plus (GSM)
(iPhone9,4)
(iPhone9,4)
11.3.1 (15E302)
Apr 24, 2018
2.86 GB
iPhone9,4_11.3.1_15E302_Restore.ipsw
iPhone 7 (GSM)
(iPhone9,3)
(iPhone9,3)
11.3.1 (15E302)
Apr 24, 2018
2.71 GB
iPhone9,3_11.3.1_15E302_Restore.ipsw
iPhone 7 Plus (Global)
(iPhone9,2)
(iPhone9,2)
11.3.1 (15E302)
Apr 24, 2018
2.86 GB
iPhone9,2_11.3.1_15E302_Restore.ipsw
iPhone 7 (Global)
(iPhone9,1)
(iPhone9,1)
11.3.1 (15E302)
Apr 24, 2018
2.71 GB
iPhone9,1_11.3.1_15E302_Restore.ipsw
iPhone SE
(iPhone8,4)
(iPhone8,4)
11.3.1 (15E302)
Apr 24, 2018
2.53 GB
iPhone8,4_11.3.1_15E302_Restore.ipsw
iPhone 6s+
(iPhone8,2)
(iPhone8,2)
11.3.1 (15E302)
Apr 24, 2018
2.72 GB
iPhone8,2_11.3.1_15E302_Restore.ipsw
iPhone 6s
(iPhone8,1)
(iPhone8,1)
11.3.1 (15E302)
Apr 24, 2018
2.58 GB
iPhone8,1_11.3.1_15E302_Restore.ipsw
iPhone 6
(iPhone7,2)
(iPhone7,2)
11.3.1 (15E302)
Apr 24, 2018
2.58 GB
iPhone7,2_11.3.1_15E302_Restore.ipsw
iPhone 6+
(iPhone7,1)
(iPhone7,1)
11.3.1 (15E302)
Apr 24, 2018
2.72 GB
iPhone7,1_11.3.1_15E302_Restore.ipsw
iPhone 5s (Global)
(iPhone6,2)
(iPhone6,2)
11.3.1 (15E302)
Apr 24, 2018
2.53 GB
iPhone6,2_11.3.1_15E302_Restore.ipsw
iPhone 5s (GSM)
(iPhone6,1)
(iPhone6,1)
11.3.1 (15E302)
Apr 24, 2018
2.53 GB
iPhone6,1_11.3.1_15E302_Restore.ipsw
iPhone X (GSM)
(iPhone10,6)
(iPhone10,6)
11.3.1 (15E302)
Apr 24, 2018
2.77 GB
iPhone10,6_11.3.1_15E302_Restore.ipsw
iPhone 8 Plus (GSM)
(iPhone10,5)
(iPhone10,5)
11.3.1 (15E302)
Apr 24, 2018
2.86 GB
iPhone10,5_11.3.1_15E302_Restore.ipsw
iPhone 8 (GSM)
(iPhone10,4)
(iPhone10,4)
11.3.1 (15E302)
Apr 24, 2018
2.71 GB
iPhone10,4_11.3.1_15E302_Restore.ipsw
iPhone X (Global)
(iPhone10,3)
(iPhone10,3)
11.3.1 (15E302)
Apr 24, 2018
2.77 GB
iPhone10,3_11.3.1_15E302_Restore.ipsw
iPhone 8 Plus (Global)
(iPhone10,2)
(iPhone10,2)
11.3.1 (15E302)
Apr 24, 2018
2.86 GB
iPhone10,2_11.3.1_15E302_Restore.ipsw
iPhone 8 (Global)
(iPhone10,1)
(iPhone10,1)
11.3.1 (15E302)
Apr 24, 2018
2.71 GB
iPhone10,1_11.3.1_15E302_Restore.ipsw
iPad 6 (Cellular)
(iPad7,6)
(iPad7,6)
11.3.1 (15E302)
Apr 24, 2018
2.49 GB
iPad7,6_11.3.1_15E302_Restore.ipsw
iPad 6 (WiFi)
(iPad7,5)
(iPad7,5)
11.3.1 (15E302)
Apr 24, 2018
2.49 GB
iPad7,5_11.3.1_15E302_Restore.ipsw
iPad Pro 10.5-inch (Cellular)
(iPad7,4)
(iPad7,4)
11.3.1 (15E302)
Apr 24, 2018
2.59 GB
iPad7,4_11.3.1_15E302_Restore.ipsw
iPad Pro 10.5-inch (WiFi)
(iPad7,3)
(iPad7,3)
11.3.1 (15E302)
Apr 24, 2018
2.59 GB
iPad7,3_11.3.1_15E302_Restore.ipsw
iPad Pro 12.9-inch 2nd gen. (Cellular)
(iPad7,2)
(iPad7,2)
11.3.1 (15E302)
Apr 24, 2018
2.59 GB
iPad7,2_11.3.1_15E302_Restore.ipsw
iPad Pro 12.9-inch 2nd gen. (WiFi)
(iPad7,1)
(iPad7,1)
11.3.1 (15E302)
Apr 24, 2018
2.59 GB
iPad7,1_11.3.1_15E302_Restore.ipsw
iPad Pro 12.9-inch (Cellular)
(iPad6,8)
(iPad6,8)
11.3.1 (15E302)
Apr 24, 2018
2.46 GB
iPad6,8_11.3.1_15E302_Restore.ipsw
iPad Pro 12.9-inch (WiFi)
(iPad6,7)
(iPad6,7)
11.3.1 (15E302)
Apr 24, 2018
2.46 GB
iPad6,7_11.3.1_15E302_Restore.ipsw
iPad Pro 9.7-inch (Cellular)
(iPad6,4)
(iPad6,4)
11.3.1 (15E302)
Apr 24, 2018
2.41 GB
iPad6,4_11.3.1_15E302_Restore.ipsw
iPad Pro 9.7-inch (WiFi)
(iPad6,3)
(iPad6,3)
11.3.1 (15E302)
Apr 24, 2018
2.41 GB
iPad6,3_11.3.1_15E302_Restore.ipsw
iPad 5 (Cellular)
(iPad6,12)
(iPad6,12)
11.3.1 (15E302)
Apr 24, 2018
2.49 GB
iPad6,12_11.3.1_15E302_Restore.ipsw
iPad 5 (WiFi)
(iPad6,11)
(iPad6,11)
11.3.1 (15E302)
Apr 24, 2018
2.49 GB
iPad6,11_11.3.1_15E302_Restore.ipsw
iPad Air 2 (Cellular)
(iPad5,4)
(iPad5,4)
11.3.1 (15E302)
Apr 24, 2018
2.49 GB
iPad5,4_11.3.1_15E302_Restore.ipsw
iPad Air 2 (WiFi)
(iPad5,3)
(iPad5,3)
11.3.1 (15E302)
Apr 24, 2018
2.49 GB
iPad5,3_11.3.1_15E302_Restore.ipsw
iPad Mini 4 (Cellular)
(iPad5,2)
(iPad5,2)
11.3.1 (15E302)
Apr 24, 2018
2.49 GB
iPad5,2_11.3.1_15E302_Restore.ipsw
iPad Mini 4 (WiFi)
(iPad5,1)
(iPad5,1)
11.3.1 (15E302)
Apr 24, 2018
2.49 GB
iPad5,1_11.3.1_15E302_Restore.ipsw
iPad Mini 3 (China)
(iPad4,9)
(iPad4,9)
11.3.1 (15E302)
Apr 24, 2018
2.49 GB
iPad4,9_11.3.1_15E302_Restore.ipsw
iPad Mini 3 (Cellular)
(iPad4,8)
(iPad4,8)
11.3.1 (15E302)
Apr 24, 2018
2.49 GB
iPad4,8_11.3.1_15E302_Restore.ipsw
iPad Mini 3 (WiFi)
(iPad4,7)
(iPad4,7)
11.3.1 (15E302)
Apr 24, 2018
2.49 GB
iPad4,7_11.3.1_15E302_Restore.ipsw
iPad Mini 2 (China)
(iPad4,6)
(iPad4,6)
11.3.1 (15E302)
Apr 24, 2018
2.40 GB
iPad4,6_11.3.1_15E302_Restore.ipsw
iPad Mini 2 (Cellular)
(iPad4,5)
(iPad4,5)
11.3.1 (15E302)
Apr 24, 2018
2.40 GB
iPad4,5_11.3.1_15E302_Restore.ipsw
iPad Mini 2 (WiFi)
(iPad4,4)
(iPad4,4)
11.3.1 (15E302)
Apr 24, 2018
2.40 GB
iPad4,4_11.3.1_15E302_Restore.ipsw
iPad Air (China)
(iPad4,3)
(iPad4,3)
11.3.1 (15E302)
Apr 24, 2018
2.40 GB
iPad4,3_11.3.1_15E302_Restore.ipsw
iPad Air (Cellular)
(iPad4,2)
(iPad4,2)
11.3.1 (15E302)
Apr 24, 2018
2.40 GB
iPad4,2_11.3.1_15E302_Restore.ipsw
iPad Air (WiFi)
(iPad4,1)
(iPad4,1)
11.3.1 (15E302)
Apr 24, 2018
2.40 GB
iPad4,1_11.3.1_15E302_Restore.ipsw