Apple released a newer build (13E237 vs. the older 13E233) of iOS 9.3, which is supposed to fix the activation bug in older devices. This update is accessible OTA, but you can also grab one of the IPSW files below and update manually via iTunes should you choose to. This update does not fix the ‘link problem’.

IPSW

iOS 9.3 (Build 13E237) for:

• iPad 2 (Wi-Fi) (iPad2,1) — Download
• iPad 2 (CDMA) (iPad2,3) — Download
• iPhone 4s (iPhone4,1) — Download
• iPad 2 (Wi-Fi, 2012) (iPad2,4) — Download
• iPad 3 (Wi-Fi) (iPad3,1) — Download
• iPad 3 (CDMA) (iPad3,2) — Download
• iPad 3 (GSM) (iPad3,3) — Download
• iPhone 5 (GSM) (iPhone5,1) — Download
• iPhone 5 (CDMA) (iPhone5,2) — Download
• iPod touch 5G (iPod5,1) — Download
• iPad mini (Wi-Fi) (iPad2,5) — Download
• iPad mini (GSM) (iPad2,6) — Download
• iPad mini (CDMA) (iPad2,7) — Download
• iPad 4 (Wi-Fi) (iPad3,4) — Download
• iPad 4 (GSM) (iPad3,5) — Download
• iPad 4 (CDMA) (iPad3,6) — Download
• iPad Air (Wi-Fi) (iPad4,1) — Download
• iPad Air (Cellular) (iPad4,2) — Download
• iPad Air (China) (iPad4,3) — Download
• iPad mini 2 (Wi-Fi) (iPad4,4) — Download
• iPad mini 2 (Cellular) (iPad4,5) — Download
• iPad mini 2 (China) (iPad4,6) — Download
• iPhone 5c (GSM) (iPhone5,3) — Download
• iPhone 5c (CDMA) (iPhone5,4) — Download
• iPhone 5s (GSM) (iPhone6,1) — Download
• iPhone 5s (CDMA) (iPhone6,2) — Download