Download iOS 8.1 For iPhone 6/ 6 Plus, 5s,5c,5,4s,4, iPad, iPad Mini.

These are the direct links to Apple's Official iOS 8.1 .ipsw firmware.

 All Links Are Official from Apple Server it's also advisable to use a Download Manager to download anyone of the IPSW files for faster download and resume if download fails. 

Here are the direct download links for the latest iOS 8.1 firmwares:

iOS 8.1: 

1.  iPhone 6   
2. iPhone 6 plus 
3. iPad Air 2 (6th generation WiFi) 
4. iPad Air 2 (6th generation Cellular)
5. iPad Air (5th generation WiFi + Cellular)
6. iPad Air (5th generation WiFi)
7. iPad Air (5th generation CDMA)
8. iPad (4th generation CDMA)
9. iPad (4th generation GSM)
10. iPad (4th generation WiFi)
11. iPad mini (CDMA)
12. iPad mini (GSM)
13. iPad mini (WiFi)
14. iPad mini 2 (WiFi + Cellular)
15. iPad mini 2 (WiFi)
16. iPad mini 2 (CDMA)
17. iPad mini 3 (CDMA)
18. iPad mini 3 (WiFi)
19. iPad mini 3 (GSM)
20. iPad 3 Wi-Fi (3rd generation)
21. iPad 3 Wi-Fi + Cellular (GSM)
22. iPad 3 Wi-Fi + Cellular (CDMA)
23. iPad 2 Wi-Fi (Rev A)
24. iPad 2 Wi-Fi
25.  iPad 2 Wi-Fi + 3G (GSM)
26. iPad 2 Wi-Fi + 3G (CDMA)
27. iPhone 5 (CDMA)
28. iPhone 5 (GSM)
29. iPhone 5c (CDMA)
30. iPhone 5c (GSM)
31. iPhone 5s (CDMA)
32. iPhone 5s (GSM)

Img Credit: mobile88.com
Link Source: Apple.com