看过22日苹果发布会的用户们应该都还记得，在这次的春季发布会上苹果的高层宣布最新的iOS 9.3正式版本即日开始推送，主要增加了Night Shift功能，备忘录支持密码加锁，以及对Apple News、健康和CarPlay等功能进行更新。
而现在还没有经过多长的时间，苹果就在悄无声息中推出了新的iOS 9.3.1升级。从目前看到的更新信息中，我们并没有发现该版本与之前的iOS 9.3相比有着太大的变动，预测只是一个小幅的修复升级。现在风君子博客为大家整理了各型号iPhone/iPad/iPod的固件下载，大家可以各取所需。
iPod
iPod touch 5 – Model A1421, A1509
iPod touch 6 – Model A1574
iPhone
iPhone 4[S] – Model A1387, A1431
iPhone 5 (GSM) – Model A1428
iPhone 5 (Global) – Model A1429, A1442
iPhone 5c (GSM) – Model A1456, A1532
iPhone 5c (Global) – Model A1507, A1516, A1526, A1529
iPhone 5s (GSM) – Model A1453, A1533
iPhone 5s (Global) – Model A1457, A1518, A1528, A1530
iPhone 6 Plus – Model A1522, A1524
iPhone 6 – Model A1549, A1586
iPhone 6S – Model A1633, A1688, A1691, A1700
iPhone 6S Plus – Model A1634, A1687, A1690, A1699
iPhone SE – Model A1662, A1723, A1724
iPad
iPad 2 (WiFi) – Model A1395
iPad 2 (GSM) – Model A1396
iPad 2 (CDMA) – Model A1397
iPad 2 (Mid 2012) – A1395
iPad Mini (WiFi) – Model A1432
iPad Mini (GSM) – Model A1454
iPad Mini (Global) – Model A1455
iPad 3 (WiFi) – Model A1416
iPad 3 (CDMA) – Model A1403
iPad 3 (GSM) – Model A1430
iPad 4 (WiFi) – Model A1458
iPad 4 (GSM) – Model A1459
iPad 4 (Global) – Model A1460
iPad Air (WiFi) – Model A1474
iPad Air (Cellular) – Model A1475
iPad Air (China) – Model A1476
iPad Mini 2 (WiFi) – Model A1489
iPad Mini 2 (Cellular) – Model A1490
iPad Mini 2 (China) – Model A1491
iPad Mini 3 (WiFi) – Model A1599
iPad Mini 3 (Cellular) – Model A1600
iPad Mini 3 (China) – Model A1601
iPad Mini 4 (WiFi) – Model A1538
iPad Mini 4 (Cellular) – Model A1550
iPad Air 2 (WiFi) – Model A1566
iPad Air 2 (Cellular) – Model A1567
iPad Pro 9.7 inch (Wi-Fi) – Model A1673
iPad Pro 9.7 inch (Cellular) – Model A1674, A1675
iPad Pro 12.9 inch (WiFi) – Model A1584
iPad Pro 12.9 inch (Cellular) – Model A1652
相关阅读：
苹果iOS9 Beta1、Beta2、Beta3固件刷机升级教程
苹果iOS9.3.1版本修复了哪些问题? 修复点击网页链接崩溃问题
苹果iOS 9.3.1要修复的Bug导致部分用户无法升级iOS 9.3.1