Apple continues to update its testing versions of the next iOS 7.1 firmware. The latest one, iOS 7.1 beta download direct links, comes with minor changes. Developers can get this operating system to see how it works on their iPhone, iPad and iPod touch. The Cupertino-based company released its iOS 7.1 beta 4 under the number 11D5134c. Those devs who prefer OTA upgrade option can now update to this firmware over-the-air. Others can simply choose one link from the list below and get the system update for their particular iDevice model and version. It is also possible to log in into your Apple Dev Center account and grab the newest operating system from the website. It is important to note that the previous third beta was introduced in the early January 2014. So far the most recent official iOS 7 present to public is iOS 7.0.4. It can be jailbroken with Evasi0n tool. The firmware was launched in November 2013. Experts believe that Apple will most likely present another beta before iOS 7.1 becomes official and available to public. While we saw different UI tweaks in previous iOS 7.1 beta release, the fourth beta adds minor changes that are mostly focused on behind-the-scenes things. Developers have discovered one UI modification though. The Slide to Unlock feature has become shinier. We should also note that new firmware for Apple TV [in beta state] has also been presented to developers along with Xcode 5.1 Dev Preview 4. We can’t say when iDevices get final version of iOS 7.1. You can download its beta 4 from the list below. Just select your model. iPad Air Devices version A1474 version A1475 iPad Mini Models version A1489 version A1490 version A1432 version A1454 version A1455 iPad Generations 4 gen A1458 4 gen A1459 4 gen A1460 Wi-Fi 3 gen Wi-Fi + Cellular AT&T Wi-Fi + Cellular Verizon 2 gen Wi-Fi (Rev A) 2 gen Wi-Fi 2 gen Wi-Fi + 3G (GSM) 2 gen Wi-Fi + 3G (CDMA) iPhone Smartphones 5S A1453 and A1533 5S A1457, A1518, A1528, and A1530 5c A1456 and A1532 5c A1507, A1516, A1526 and A1529 5 A1428 5 A1429 iPhone 4s 4 (GSM Rev A) 4 (GSM) 4 (CDMA)