: You can check for the update directly on your device by going to Settings > General > Software Update .

: If you need to perform a manual restore using a computer, you can download the 1.8 GiB IPSW file (Build 14G60) from IPSW.me. Other repositories like iClarified also provide verified direct links. Critical Device Information

iOS 10.3.3 is the final supported firmware version for the , specifically model Go to product viewer dialog for this item.

(A1458). This version is often still "signed" by Apple, meaning it can be officially restored using a computer and specialized software.