HT4623 I keep getting error 21 when trying to restore and update my 4 day old iPhone 5?
I try to update and restore my new iphone 5 becasue it is stuck in recovery mode but i come across error 21 message every time during restore. VERY FRUSTRATING as i only got this wonderful product 3 days ago!
Error 20, 21, 23, 26, 28, 29, 34, 36, 37, 40
These errors typically occur when security software interferes with the restore and update process. FollowTroubleshooting security software issues to resolve this issue. In rare cases, these errors may be a hardware issue. If the errors persist on another computer, the device may need service.
Also, check your hosts file to verify that it's not blocking iTunes from communicating with the update server. See iTunes: Advanced iTunes Store troubleshooting—follow steps under the heading Blocked by configuration (Mac OS X / Windows) > Rebuild network information > Mac OS X > The hosts file may also be blocking the iTunes Store. If you have software used to perform unauthorized modifications to the iOS device, uninstall this software prior to editing the hosts file to prevent that software from automatically modifying the hosts file again on restart.
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here part of iphone upadate log may help, i could not post all log it's too long
update_baseband: requesting baseband firmware data
update_baseband: received data from host (11207986 bytes)
update_baseband: performing next update stage
bbupdater: BEGIN: Perform stage at second
bbupdater: BEGIN: Sending 1 Images
bbupdater: Waiting for Hello...bbupdater: OK
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bbupdater: Hello response boot mode: ETLSAHModeMaverick
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bbupdater: DBL_HASH: 00 00 00 00 00 00 00 00 0000 00 00 00 00 00 00 00 00 00 00
bbupdater: OSBL_HASH: 00 00 00 00 00 00 00 00 0000 00 00 00 00 00 00 00 00 00 00
bbupdater: AMSS_HASH: 00 00 00 00 00 00 00 00 0000 00 00 00 00 00 00 00 00 00 00
bbupdater: Sending Hash Response: value 1 success 1
bbupdater: Disconnecting...bbupdater: OK
bbupdater: Waiting for Hello...bbupdater: OK
bbupdater: Hello received boot mode: ETLSAHModePending
bbupdater: Hello response boot mode: ETLSAHModePending
bbupdater: Hello reserved fields: 02
bbupdater: Sending Image 'OSBL'...
bbupdater: 0x6e050 of 0x6e050 (100 percent)
bbupdater:
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bbupdater: Disconnecting...bbupdater: OK
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bbupdater: Hello response boot mode: ETLSAHModeComplete
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bbupdater: 0x32000 of 0x12c0000 (1 percent)
bbupdater: 0x6013f of 0x12c0000 (2 percent)
bbupdater: 0x885000 of 0x12c0000 (45 percent)
bbupdater: 0x1085000 of 0x12c0000 (88 percent)
bbupdater: 0x119b000 of 0x12c0000 (93 percent)
bbupdater: 0x12b1000 of 0x12c0000 (99 percent)
bbupdater: 0x12c0000 of 0x12c0000 (100 percent)
bbupdater:
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bbupdater: Requested boot mode: kBBUBootModeNone
bbupdater: Creating transport, attempts remaining 0...bbupdater: OK
bbupdater: Modem booted
bbupdater: Ping failed, 9 tries left
bbupdater: Ping failed, 8 tries left
bbupdater: Ping failed, 7 tries left
bbupdater: Ping failed, 6 tries left
bbupdater: Ping failed, 5 tries left
bbupdater: Ping failed, 4 tries left
bbupdater: Ping failed, 3 tries left
bbupdater: Ping failed, 2 tries left
bbupdater: Ping failed, 1 tries left
bbupdater: Ping failed, 0 tries left
bbupdater: END(kBBUReturnIOError): Preparing Initial stage
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send_bbupdate_status: sending baseband update status to host
update_baseband: bbupdater error: kBBUReturnIOError
0: RamrodErrorDomain/3ec: update_baseband: failed to perform next stage
1: BBUpdater/10
unable to convert ramrod error 1004
attempting to dump restore log
writing log file: /mnt1/restore.log -
TS3694 What is the cause of "error 1015" when trying to restore and update an iPhone 3gs?
What is the cause of "error 1015" when you're trying to restore and update an iphone 3gs? My iphone is currently in recovery mode and can not get out of it. All the information about my iphone shown on itunes is only marked as- N/A. How can I get my iphone out of recovery mode and get it to recover and update?
Thank you,
MacQuestioner3http://support.apple.com/kb/TS3694#error1015, which says:
Error 1015: This error is typically caused by attempts to downgrade the iPhone, iPad, or iPod touch's software. This can occur when you attempt to restore using an older .ipsw file. Downgrading to a previous version is not supported. To resolve this issue, attempt to restore with the latest iPhone, iPad, or iPod touch software available from Apple. This error can also occur when an unauthorized modification of the iOS has occurred and you are now trying to restore to an authorized, default state.
In other words, either your phone is jailbroken and you are sadly out of luck or you are trying to downgrade iOS. -
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Error 29 can relate to security software on your computer. Disable your security software, or try to restore it on another computer. In the case that it still doesn't work on a completely different computer and network, it may be a hardware issue at which point you would need to take it to a Genius Bar.
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HT6147 Keep getting error message when trying to download iOS 7.0.6 to my iPhone 4s
Unable to download SSL iOS 7.0.6 update. Keep getting error message.
Hey Pster,
Thanks for the question. I understand that you are experiencing issues updating your device. The following resource may provide a solution:
Resolve iOS update and restore errors in iTunes
http://support.apple.com/kb/TS1275
Thanks,
Matt M. -
Error 29 When trying to restore and update iPhone 4 ios7
I had a shop recently replace my screen on my iPhone 4. After a few days my phone would keep rebooting after 2 minutes every single time. I closed all the apps and turned everything off, including cellular, 3G, roaming and it still keeps rebooting... So i decided to do a restore via iTunes. Now Every time i do a restore and update I keep getting Error 29 in iTunes. I read that error 29 usually means a bad or incompatible battery. I tried batteries from two different iPhone 4. Both were original batteries. I also tried different computers, different cables and I during the update process it gets 3/4ths done and I'm getting error 29 on iTunes. The phone is back on recovery mode..... I can't get it out of recovery mode and I can't get it to update.....
Could the screen replacement cause this error 29. ? Is there any other way to get out of recovery mode or update my iPhone ?I had a shop recently replace my screen on my iPhone 4. After a few days my phone would keep rebooting after 2 minutes every single time. I closed all the apps and turned everything off, including cellular, 3G, roaming and it still keeps rebooting... So i decided to do a restore via iTunes. Now Every time i do a restore and update I keep getting Error 29 in iTunes. I read that error 29 usually means a bad or incompatible battery. I tried batteries from two different iPhone 4. Both were original batteries. I also tried different computers, different cables and I during the update process it gets 3/4ths done and I'm getting error 29 on iTunes. The phone is back on recovery mode..... I can't get it out of recovery mode and I can't get it to update.....
Could the screen replacement cause this error 29. ? Is there any other way to get out of recovery mode or update my iPhone ? -
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Back up all data.
Triple-click anywhere in the line below on this page to select it:
~/Library/Cookies/com.apple.appstore.plist
Right-click or control-click the line and select
Services ▹ Reveal
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*If you don't see the contextual menu item, copy the selected text to the Clipboard by pressing the key combination command-C. In the Finder, select
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How to set up your iPhone, iPad, or iPod touch as a new device -
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iTunes: Advanced iTunes Store troubleshooting
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