Apple has seeded iOS 7.1 beta 2 to developers for a download. iOS 7.1 beta 1 was released almost a month ago. iOS 7.1 beta 2 is of build number 11D5115D and can be downloaded by registered Apple Developer from the iOS dev center.
iOS 7.1 beta 2 is available for:
iPhone 5S, iPhone 5C, iPhone 5, iPhone 4S, iPhone 4
iPad Air, iPad 4, iPad 3, iPad 2 and iPad Mini
iPod Touch 5G
As per 9to5Mac changes in iOS 7.1 beta are:
Touch ID and Passcode Settings are now more prominently displayed.
Animations are now even faster than in iOS 7 beta 1.
Bug where all tones were the default is fixed.
Control Center has a new bounce animation when you toggle it.
New list view redesign/toggle in Calendar app.
Direct download links for iOS 7.1 beta 2
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)
iPhone 5s (Model A1453, A1533)
iPhone 5s (Model A1457, A1518, A1528, A1530)
iPhone 5c (Model A1456, A1532)
iPhone 5c (Model A1507, A1516, A1526, A1529)
iPhone 5 (Model A1428)
iPhone 5 (Model A1429)
iPhone 4 (GSM Rev A)
iPhone 4 (GSM)
iPhone 4 (CDMA)
iOS 7.1 beta 2 can only be downloaded by iOS Developers.