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Windows. Install the latest version of iTunes from the Microsoft Store. Plug your iPhone 4 (GSM) in to your PC. Open iTunes, and navigate to your iPhone 4 (GSM). Hold the Shift key on your keyboard, and press "Restore". Select the iPhone3,1_4.0.1_8A306_Restore.ipsw file that you downloaded.
Download iOS IPSW files for iPhone 4 (GSM)
iOS 4 is the final version of iOS that features the iPod app for music and videos on iPhones. Starting with iOS 5, iPhones do not have the iPod app, but instead have the Music and Videos apps, as the iPod Touch and iPad do.
16 lip 2010 · Just a few hours after they released iOS 4.1 beta for the developers, Apple has released iOS 4.0.1 for iPhone 4, 3GS and 3G. This is a minor firmware update.
15 lip 2010 · iOS 4.0.1 is available for download for iPhone 4, iPhone 3GS, 3G and iPod Touch 3G, 2G. To install iOS 4.0.1 on your device, connect your iPhone/iPod Touch to iTunes, new firmware availability message will appear then hit the “Download and Install” button.
15 lip 2010 · To download and update to it, connect your iPhone to your Mac or PC, and click “Check for Updates” in the device summary screen in iTunes. Updated at 11:57am PT to mention the visual signal...
iPod4,1_4.1_8B117_Restore.ipsw. Download current and previous versions of Apple's iOS, iPadOS, watchOS, tvOS, audioOS and macOS firmware and receive notifications when new firmwares are released.
