Direct download links for all the iOS software updates released for iPhone: ( iPhone 2G): . (iPhone 4S): iPhone4,adopteesofcolor.org iOS Software Update. This update contains improvements and bug fixes, including: Fixes a bug that could allow someone to bypass the. Now V 3uTools supports downgrading iPhone 4s and iPad 2 to After you downgrade to iOS , you can check iOS software update on. Firmware, Device, Release Date, Download, Size, Release Type, Prerequisites, Filesystem Diff, Apple Signing Status. iOS (10B), iPad 2 (WiFi), 09/17/. Download current and previous versions of Apple's iOS Firmware and receive push Most features are free to use but you can upgrade your account for more . Update to the latest version of iOS that is offered. If there is no update then you may have misidentified the device. See Update the iOS software. Apple releases iOS iPhone 4S firmware update. It has not been long since Apple released iOS firmware for iPhone, iPad and iPod touch. iOS Untethered Jailbreak Impossible As Apple Patches Evasi0n Bug. Apple releases iOS firmware, direct download links and instructions given here. Nevertheless iOS is also an incremental update, there are a handful of bug fixes, stability and performance iPhone 4S iPhone 4. If you want to update to iOS firmware, there are numerous ways you can go about it. As well as downloading through iTunes and updating.