Learn how to update your iphone, ipad, or ipod touch to the latest version of ios—wirelessly or using itunes.. How to restore or update your ipod/iphone/ipad: after downloading the desired firmware below, you can shift-click (pc) or option-click (mac) the restore or update buttons in itunes.. Download apple iphone ios 12.1 firmware update. os support: apple ios. category: system updates.
A firmware is an ipsw file that contains everything needed to run the core operating system, ios. beta firmwares have also been released, but require an apple developer account to acquire. to check for updates, itunes contacts itunes.apple.com.. I have an iphone 5s which i'm having a look at for my boss. he tried running a software update on it and it crapped out during a firmware update from what i can gather.. Download current and previous versions of apple's ios firmware and receive push notifications when new firmwares are released.