1月20日消息，今天凌晨苹果正式公布了iOS9.2.1正式版更新，此次更新并没有出现大家期待的Apple Pay，更新内容仍然是以修复问题为主。接下来为大家带来此次更新的固件下载。
iPod touch 5- Model A1421, A1509
iPod touch 6- Model A1574
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, A15261, A1529
iPhone 5s (GSM)- Model A1453, A1533
iPhone 5s (Global)- Model A1457, A15181, A15281, 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
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 (WiFi)- Model A1584
iPad Pro (Cellular)- Model A1652
必读：
《苹果iOS9正式版升级前注意事项汇总》
《苹果iOS9正式版更新升级及固件刷机教程》
《苹果推送iOS9.2.1正式版更新下载（附更新内容）》
