Direct download links of iOS 9.2.1 IPSW files for all supported iPhonedevices are linked below.
iOS 9.2.1 download IPSW links:
- iPhone 5 (CDMA)
- iPhone 5 (GSM)
- iPhone 5c (CDMA)
- iPhone 5c (GSM)
- iPhone 5s (CDMA)
- iPhone 5s (GSM)
- iPhone 6
- iPhone 6 Plus
- iPhone 6s
- iPhone 6s Plus
- iPhone 4s