iOS 8.2 beta 2 is compatible with iPhone 4S, iPhone 5, iPhone 5c, iPhone 5s, iPhone 6, iPhone 6 Plus, iPad Air 2, iPad mini 3, iPad 2, iPad (third-generation), iPad (fourth-generation), iPad Air, iPad Air 2, iPad mini, iPad mini 2, iPad mini 3 and iPod touch (fifth-generation).
Developers can install this new beta software via OTA through their devices by going to Settings—> General—> Software Update…
Here are the direct download links to the firmware (Note that you need to be a registered iOS developer to download these files):
- iPad Air 2 (Model A1566)
- iPad Air 2 (Model A1567)
- iPad mini 3 (Model A1599)
- iPad mini 3 (Model A1600)
- iPad mini 3 (Model A1601)
- iPad Air (Model A1474)
- iPad Air (Model A1475)
- iPad Air (Model A1476)
- iPad mini 2 (Model A1489)
- iPad mini 2 (Model A1490)
- iPad mini 2 (Model A1491)
- iPad (4th generation Model A1458)
- iPad (4th generation Model A1459)
- iPad (4th generation Model A1460)
- iPad mini (Model A1432)
- iPad mini (Model A1454)
- iPad mini (Model A1455)
- iPad Wi-Fi (3rd generation)
- iPad Wi-Fi + Cellular (model for ATT)
- iPad Wi-Fi + Cellular (model for Verizon)
- iPad 2 Wi-Fi (Rev A)
- iPad 2 Wi-Fi
- iPad 2 Wi-Fi + 3G (GSM)
- iPad 2 Wi-Fi + 3G (CDMA)