iOS IPSW firmware files are available to download hereįor example, if you have an iPhone SE, you must use IPSW firmware matching that device.Īdditionally, you must use a version of iOS IPSW that is being signed by Apple.You can download any firmware files from these links: The next thing you need to do is make sure you’re using the proper firmware IPSW file for your iOS hardware. This is required because the newest version of iOS require the newest versions of iTunes. This is easy, just open iTunes and update to the latest version. Try waiting a little while and then attempting to download and reinstall iOS again, it often works. Sometimes a little patience is sufficient to remedy this error message. Try these in order, one of them will likely fix the ineligible build error: Wait, Then Re-try Updating iOS
How to Fix “This device isn’t eligible for the requested build” Error in iTunesįirst let’s cover the iTunes and firmware aspect, then explain hosts modifications. You’re most likely encountering one the following problems: either you are using an old version of iTunes, you are using an incorrect version of the firmware for your device, or you have gs. re-routed or blocked in your hosts file. This device isn’t eligible for the requested build. The iOS Device “Device Name” could not be updated.