UPDATE 08/02/2015: Apple chưa khoá 8.1.2:
Cách check firmware Apple còn signing, vào link sau chọn thiết bị:
https://ipsw.me/all
Select your device
AppleTV
Cách check firmware Apple còn signing, vào link sau chọn thiết bị:
https://ipsw.me/all
404 - Not Found / IPSW Downloads
Download current and previous versions of Apple's iOS, iPadOS, watchOS, tvOS, audioOS and macOS firmware and receive notifications when new firmwares are released.
ipsw.me
Select your device
AppleTV
· Apple TV 2G
· Apple TV 3
· Apple TV 3 (2013)
iPad
· iPad 1
· iPad 2 (WiFi)
· iPad 2 (GSM)
· iPad 2 (CDMA)
· iPad 2 (Mid 2012)
· iPad Mini (WiFi)
· iPad Mini (GSM)
· iPad Mini (Global)
· iPad 3 (WiFi)
· iPad 3 (CDMA)
· iPad 3 (GSM)
· iPad 4 (WiFi)
Quảng cáo
· iPad 4 (GSM)
· iPad 4 (Global)
· iPad Air (WiFi)
· iPad Air (Cellular)
· iPad Air (China)
· iPad Mini 2 (WiFi)
· iPad Mini 2 (Cellular)
· iPad Mini 2 (China)
· iPad Mini 3 (WiFi)
· iPad Mini 3 (Cellular)
· iPad Mini 3 (China)
· iPad Air 2 (WiFi)
Quảng cáo
· iPad Air 2 (Cellular)
iPhone
· iPhone 2G
· iPhone 3G
· iPhone 3G
· iPhone 4 (GSM)
· iPhone 4 (GSM / 2012)
· iPhone 4 (CDMA)
· iPhone 4
· iPhone 5 (GSM)
· iPhone 5 (Global)
· iPhone 5c (GSM)
· iPhone 5c (Global)
· iPhone 5s (GSM)
· iPhone 5s (Global)
· iPhone 6 Plus
· iPhone 6
iPod
· iPod touch 1G
· iPod touch 2G
· iPod touch 3
· iPod touch 4
· iPod touch 5
Instructions
Browse to your device using the menu on the left. The firmwares you can restore to have a green tick (). Click on the link with the IPSW name to download them!
https://ipsw.me/8.1
UPDATE 2/12/2014: Apple đã khoá iOS 8.1.1:
Trong bảng ghi iOS 8.1 (12B410a v.v... có ghi từng thiết bị, link dowload, dung lượng và "Apple Signining Status" có dấu tick (V) là Apple đang signing chưa khoá:
View attachment 2809908
Nguồn: https://ipsw.me/8.1