The Apple is quickly jumping the build number when it comes to iOS. After releasing iOS 9.0.1 update officially after finding number of bugs in iOS 9 update. Now the registered developers sees through the iOS 9.1 Beta 2 update available for developers. We have go through direct download links to iOS 9.1 Beta 2 for developers. 
Many developers who have tested iOS 9.1 beta 2 in short term have found out that it’s definitely a pure bug fix and performance enhancing update.
To get this update, if you are running iOS 9.1 beta 1 build then directly go to Settings > General and hit Software update.
iOS 9.1 Beta 2 IPSW
- Download iOS 9.1 Beta 2 for iPhone 6S
- Download iOS 9.1 Beta 2 for iPhone 6S Plus
- Download iOS 9.1 Beta 2 for iPhone 6 Plus
- Download iOS 9.1 Beta 2 for iPhone 6
- Download iOS 9.1 Beta 2 for iPhone 5C (GSM)
- Download iOS 9.1 Beta 2 for iPhone 5C (Global)
- Download iOS 9.1 Beta 2 for iPhone 5S (GSM)
- Download iOS 9.1 Beta 2 for iPhone 5S (Global)
- Download iOS 9.1 Beta 2 for iPhone 5 (GSM)
- Download iOS 9.1 Beta 2 for iPhone 5 (Global)
- Download iOS 9.1 Beta 2 for iPhone 4S
- Download iOS 9.1 Beta 2 for iPad 2 (WiFi)
- Download iOS 9.1 Beta 2 for iPad 2 (GSM)
- Download iOS 9.1 Beta 2 for iPad 2 (Mid 2012)
- Download iOS 9.1 Beta 2 for iPad Mini (WiFi)
- Download iOS 9.1 Beta 2 for iPad Mini (GSM)
- Download iOS 9.1 Beta 2 for iPad Mini (Global)
- Download iOS 9.1 Beta 2 for iPad 3 (WiFi)
- Download iOS 9.1 Beta 2 for iPad 3 (CDMA)
- Download iOS 9.1 Beta 2 for iPad 3 (GSM)
- Download iOS 9.1 Beta 2 for iPad 4 (WiFi )
- Download iOS 9.1 Beta 2 for iPad 4 (GSM)
- Download iOS 9.1 Beta 2 for iPad 4 (Global)
- Download iOS 9.1 Beta 2 for iPad Air (WiFi)
- Download iOS 9.1 Beta 2 for iPad Air (Cellular)
- Download iOS 9.1 Beta 2 for iPad Air (China)
- Download iOS 9.1 Beta 2 for iPad Mini 2 (WiFi)
- Download iOS 9.1 Beta 2 for iPad Mini 2 (Cellular)
- Download iOS 9.1 Beta 2 for iPad Mini 2 (China)
- Download iOS 9.1 Beta 2 for iPad Mini 3 (WiFi)
- Download iOS 9.1 Beta 2 for iPad Mini 3 (Cellular)
- Download iOS 9.1 Beta 2 for iPad Mini 3 (China)
- Download iOS 9.1 Beta 2 for iPad Air 2 (WiFi)
- Download iOS 9.1 Beta 2 for iPad Air 2 (Cellular)
- Download iOS 9.1 Beta 2 for iPod Touch 5G
All the links are coming up very shortly.