While updating iphone i unplugged it
Permission error either on your computer or the device. Also 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 App you've tried to download in i Tunes couldn't be saved. Use Tiny Umbrella or redsn0w to kick it out of Recovery Mode.
Most of the errors can be found at Apple's Knowledge Base. Some have seen success afterwards by doing the downgrade from DFU mode instead of the normal Recovery mode. This is caused by a failure to match the Baseband Nonce currently in memory to the nonce returned in the Baseband Firmware SHSH blob.
Here is a list of i Tunes errors that could appear during a restore or a USB connection via i Tunes: This error happens if you are logged out, try to download something from the i Tunes Store and if you click on "Download" and enter an account, which doesn't have this article, this error will occur. This happens if you edited the hosts file (Saurik's Server) or you are using Tiny Umbrella.
There is a problem with the permissions of the Mobile Application folder. The baseband does not get updated using this method.
Error occurs when one uses the "last ditch" method for preventing baseband updates on the i Phone 4.
Bad response from gs.OR need i REB for preparing the device for restoring to custom IPSW When Spirit2Pwn flashes parts of the boot chain on i OS 4, the device may crash into DFU Mode. Restart computer; change USB port; reinstall system. Restart computer; change USB port; reinstall system.
Occurs when trying to install an old firmware and Apple's server disallows the installation. sn0wbreeze custom firmware error on USB connection.
Unknown error; try again A security software you have installed may be conflicting with i Tunes. If you are restoring to an Apple TV (3rd generation), i Pad 2 (or newer), i Phone 4S (or newer), or i Pod touch (5th generation) or newer, there is no (publicly disclosed) bootrom exploit to restore to older versions of i OS.
You're trying to access a section or a functionality that is not available in your country, for example i Cloud in some countries. This happened on a Mac with Tiny Umbrella running before restoring a firmware to the Apple TV. You should still save your SHSH blobs using Tiny Umbrella in case an exploit is discovered.
i Tunes tried to enter the Restore Mode, but the device turned back to the Recovery Mode.
This can happen when updating an i Pad 2 jailbroken with Saffron gets updated to i OS 5.
Something dealing with programs monitoring Winsock; see TS4123 for more information Unknown error Device was suddenly unplugged. However, Odysseus or Odysseus OTA can be used if the user has SHSH blobs but it only works on some i OS versions and will need the device to be currently jailbroken.