Which ios firmware file to download based on your iphone model based on the model number of your iphone, you will be able to identify which ios firmware file you need to download. you can find model number on the iphone’s back cover.. Download ios firmware (ipsw) for any iphone, ipod, ipad and apple watch. iphone 4 gsm a1332 iphone 4s. iphone 5 gsm a1428. iphone 5 global. iphone 5c gsm after downloading the desired firmware, you can shift-click (pc) or option-click (mac) the restore or update buttons in itunes.. As a jailbreaker or hacker you may, from time to time, need a version of ios which is no longer the current firmware for your device. below are links direct to the apple download service for all available versions of ios for the various iphone models right back to the original!.
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