sn0wbreeze 1.6 Custom Firmware has a ASR patch problem.ASR does not exist on ramdisk or is corrupt/not signed.To resolve, stitch your blobs to a "No_BB" ipsw of the firmware you are trying to downgrade to. You are trying to downgrade an iPhone 4 to an earlier version of iOS 5, using redsn0w.The installed version of iTunes may also be too old.Try changing the USB port (the back one of chassis is better) and restart computer. On an iPhone 4 downgrading from iOS 5, use the option in TinyUmbrella to allow a baseband "upgrade" to bypass the error and go back to basband 4.10.1.To resolve, use either custom firmware created by PwnageTool/ sn0wbreeze or use notcom's FixRecovery utility available on his site. You are attempting to downgrade an iPhone from iOS 5 to iOS 4.x.Use TinyUmbrella or redsn0w to kick it out of Recovery Mode.Īlso occurs in restore logs as "unable to convert ramrod 1004." Seemingly caused by a modem firmware chipset malfunction or faulty dock connector, the only fix is to either heat up the chipset or replace the dock connector. The baseband does not get updated using this method. Also see KB TS1475.Įrror occurs when one uses the "last ditch" method for preventing baseband updates on the iPhone 4. Permission error either on your computer or the device.Įrror when downloading songs purchased on iTunes. This device isn't eligible for the requested build.
Itunes download 9.1 update#
See also KB TS1276.Ĭheck system time, reset Internet connection, update root certificates.
This error happens if you are logged out, try to download something from the iTunes Store and if you click on "Download" and enter an account, which doesn't have this article, this error will occur. Here is a list of iTunes errors that could appear during a restore or a USB connection via iTunes: Most of the errors can be found at Apple's Knowledge Base. 20.4 There was a problem downloading the software for the (Apple TV/iPhone/iPod/iPad) "XXXXXXX" the network connection was reset, make sure your network settings are correct and your network connection is active, or try again later.20.3 The (Apple TV/iPhone/iPod/iPad) "XXXXXX" cannot be restored at this time because the iPhone software update server could not be contacted or is temporarily unavailable.20.2 The (Apple TV/iPhone/iPod/iPad) "XXXXXX" could not be restored because the firmware file is not compatible.20.1 This device isn't eligible for the requested build (TATSU declined to authorize this image on this device for this user).