苹果官方正式发布iOS6.1.2固件下载地址。Exchange服务器出的故障直接导致网络流量增加和电池续航下降的问题，而现在苹果正式发布了iOS 6.1.2升级补丁，修复了这个可能导致网络流量上升与电池电量下降的Exchange日历漏洞问题。

苹果iOS6.1.2固件

 

• iPad (4th generation Model A1458)
• iPad (4th generation Model A1459)
• 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
• iPad 2 Wi-Fi (Rev A)
• iPad 2 Wi-Fi + 3 G (GSM)
• iPad 2 Wi-Fi + 3G (CDMA)
• iPhone 5 (Model A1428)
• iPhone 5 (Model A1429)
• iPhone 4S
• iPhone 4 (GSM)
• iPhone 4 (GSM Rev A)
• iPhone 4 (CDMA)
• iPhone 3GS
• iPod touch (5th generation)
• iPod touch (4th generation)