iOS 9.3.1 download IPSW links:
- iPhone 6s
- iPhone 6s Plus
- iPhone 6
- iPhone 6 Plus
- iPhone SE
- iPhone 5c CDMA
- iPhone 5c GSM
- iPhone 5s CDMA
- iPhone 5s GSM
- iPhone 5 CDMA
- iPhone 5 GSM
- iPhone 4s
- iPad Pro 12 inch Wi-Fi model
- iPad Pro 12 inch Cellular model
- iPad Pro 9 inch Wi-Fi model
- iPad Pro 9 inch Cellular model
- iPad Air 2 Wi-Fi model
- iPad Air 2 Cellular model
- iPad Air Cellular model
- iPad Air Wi-Fi model
- iPad Air China model
- iPad 4th gen CDMA
- iPad 4th gen GSM
- iPad 4th gen Wi-Fi model
- iPad 3 Wi-Fi 3rd gen
- iPad 3 Wi-Fi + Cellular model GSM
- iPad 3 Wi-Fi + Cellular model CDMA
- iPad 2 Wi-Fi (2,4) revised
- iPad 2 Wi-Fi (2,1) original
- iPad 2 Wi-Fi + 3G GSM
- iPad 2 Wi-Fi + 3G CDMA
- iPad Mini CDMA
- iPad Mini GSM
- iPad Mini Wi-Fi model
- iPad Mini 2 Cellular model
- iPad Mini 2 Wi-Fi model
- iPad Mini 2 China
- iPad Mini 3 China
- iPad Mini 3 Wi-Fi model
- iPad Mini 3 Cellular model
- iPad Mini 4 Wi-Fi model
- iPad Mini 4 Cellular model
- iPod touch 5th gen 5,1
- iPod touch 6th gen (7,1