Below are the direct links for the ios firmware updates that have been released for the iphone by apple so far. if you’re not sure which firmware file to download for your iphone, then check the post which will help you identify which firmware file to download based on your iphone’s model.. The iphone 3g device was released on 07/08/2008. it has 16 firmwares released for it. download current and previous versions of apple's ios firmware and receive push notifications when new firmwares are released. Hi michael, sadly the 3gs isn't capable of running ios 7. below is a current list i believe of the devices that are compatible with ios 7. iphone 4.
