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An Unknown Error Occurred 21 Iphone 4


Other causes could be that you are using a code version that Apple no longer supports or there is a communication failure between your device and the Apple servers. share|improve this answer answered Jan 5 '13 at 10:57 jobatabs 364 add a comment| up vote 0 down vote I've got "IPad could not be restored Unknown error (21)" after upgrade Not the answer you're looking for? Leave comments or questions in the comments. http://dis-lb.net/unknown-error/an-unknown-error-occurred-48-iphone.php

Hope this helps. For now, we've prepared seven ways in which within which to repair iPhone error 21 that usually appears inside the restoring or modification technique. Change the way you work with PDF. All postings and use of the content on this site are subject to the Apple Support Communities Terms of Use.

The Iphone Could Not Be Restored An Unknown Error Occurred 21

Thank you for the help.ReplyDeleteAnonymous28/02/2013, 08:23Worked like a charm thank uuuuuuu.....ReplyDeleteDan05/03/2013, 15:18Worked for us, thanks a lot!ReplyDeleteroman maknojiya07/03/2013, 03:12not workingi cannot find gs.apple.comin my drivers>host fileReplyDeleteRepliesDavid J Palmer22/03/2013, 18:03You need to You can try to disable or remove the security Software on your computer. Loading... 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

Work for all models of iPhone, iPad and iPod touch. So, what do you do? Helpful (0) Reply options Link to this post by Steveoftheheath, Steveoftheheath Apr 5, 2016 12:18 PM in response to Lawrence Finch Level 1 (8 points) Apr 5, 2016 12:18 PM in The Iphone Could Not Be Restored An Unknown Error Occurred 11 If you want to have Windows try to restore the hosts to default, follow the "FixIt" in How do I reset the hosts file back to the default?.

FullFreeSoftware.Net 44,758 views 11:08 How to Unlock ANY iPhone Without the Passcode - Duration: 4:21. The Iphone Cannot Be Restored An Unknown Error Occurred 21 Then itunes displays error 21. Then, on the menu bar choose Applications > Utilities.Open Terminal and type this command: sudo nano /private/etc/hosts and press Return.Enter the password you use to sign in to your computer and press https://www.ifixit.com/Answers/View/81953/iPhone4+won't+restore+and+shows+Error+21 It won't change any text entered by users.

Helpful (0) Reply options Link to this post by OnceUponAnAppleCare, OnceUponAnAppleCare Mar 17, 2014 1:46 PM in response to KiltedTim Level 1 (0 points) Mar 17, 2014 1:46 PM in response Unknown Error Occurred 14 Iphone System specs of the computers i've tried it on, 2 pcs with windows 7 64bit, 1 mac book pro, 1 unit windows xp. Power off the iPad completely (wait for the progress spinner to disappear). Make sure you have installed the latest iTunes version on your computer.Press and hold the power and home buttons until the device restarts.

The Iphone Cannot Be Restored An Unknown Error Occurred 21

The process repeats every time i try to restore in DFU mode. http://anditsfixed.blogspot.com/2012/10/solved-itunes-error-3194-error-21-and.html I had done this before and it didn't work. The Iphone Could Not Be Restored An Unknown Error Occurred 21 The following steps from https://discussions.apple.com/message/18064040#18064040 allowed me to reset an IPad, and then I've restored it from ICloud backup. Iphone 4 Could Not Be Activated Because An Unknown Error Occurred Cancel boutizlahdb Rep: 1 Posted: 09/07/2015 Options Permalink History same problem i changed the battery or charge the broken battery with 12Volt directly it will work Was this answer helpful?

Sign in Share More Report Need to report the video? this contact form Previously, this error couldn't be resolved and it was causing the issue known as iPhone stuck in recovery mode. As soon as I got it, I tried to restore it to bypass the activation screen required by at&t. Cancel Daniel2514 Rep: 61 3 1 Posted: 09/08/2015 Options Permalink History Error 20, 21, 23, 26, 28, 29, 34, 36, 37, 40 These errors typically occur when security software interferes with The Iphone Could Not Be Restored An Unknown Error Occurred 53

Note for Jailbreak and Firmware Downgrade. The www.geekfori.com forum technical staff have been notified of the error, though you may contact them if the problem persists. Helpful (1) Reply options Link to this post by KiltedTim, KiltedTim Mar 17, 2014 1:37 PM in response to OnceUponAnAppleCare Level 9 (55,712 points) Mac OS X Mar 17, 2014 1:37 have a peek here So I appreciate the added information.

I had been stuck in DFU mode after restoring my iPad to iOS 6.1 without activating it. An Unknown Error Occurred (9) Iphone because i want to unlock..pls teach me how to downgrade itunes ReplyDeletetbag27/10/2014, 20:44This article helps me to solve error 21clean my mac when I really need to work on the my I am outside my home country, so could I just walk in to a mac shop & get it done (ok perhaps a bit of a wait), or is it a

Your iPhone might turn into a brick (stuck in recovery mode forever).

Haych jay 1,843,908 views 2:04 iTunes Error Code 21 - Duration: 5:09. How could banks with multiple branches work in a world without quick communication? Click on each and choose End process.Delete lockdown folder. Unknown Error Occurred 9006 Iphone If your issue is unrelated to Jailbreak or Downgrading a device then skip this section and move on to the next one.

Add to Want to watch this again later? after i restore and update the cycle repeats immediately. Now iTunes error 21 has been fixed, go and restore to convention ipsw firmware without errors. Check This Out Why do we not require websites to have several independent certificates?

Cancel Steven Rep: 1 Posted: 10/25/2013 Options Permalink History I have a similar problem with my cousins iphone 4 which i offered to look at for her. it works for me (alternative way)..thanks alot :DReplyDeleteAnonymous05/02/2013, 15:04Brilliant - don't forget to close itunes and reopen, that did it for me :)ReplyDeleteAnonymous05/02/2013, 17:06Dude you rule... MattyTheCanadian 126,016 views 1:41 How we fixed error 21 in this iPhone 4 - Duration: 5:01. share|improve this answer answered Jul 13 '13 at 12:03 Michael Freidgeim 1426 add a comment| protected by Community♦ Apr 26 '13 at 16:04 Thank you for your interest in this question.

Or is there another way..? 02/28/2015 by TaibaAli101 Cant you just make a viedo to make it easy 08/03/2015 by zakiyah This was my problem. Step 4: Once you are in DFU mode, you will not see anything on your screen. Preview my answer Post my answer View Statistics: Past 24 Hours: 124 Past 7 Days: 762 Past 30 Days: 3,981 All Time: 271,585 22,103 Free Manuals 85,865 Solutions 6,273 Devices iFixit You can just press and hold the Sleep/Wake and Home buttons simultaneously for 10 seconds or until you see the Apple logo shows up.support.apple.comRestore in DFU modeTry to restore your iOS

Cancel Warrior Harry Rep: 1 Posted: May 2 Options Permalink History Hello Friend, I had this problem. Thank you x10 ReplyDeleteAnonymous20/02/2013, 17:34Seriously the flipping host file!!! only if you are sure your battery is dead - connect to power ( on? The reason is usually something blocking the connection.

For PC users, you can check the OS update, here.Charge the batteryCheck your iPhone battery life and ensure it has enough power. Works.Thanks.ReplyDeleteMoshePartushBlog22/03/2013, 14:50Gooooooooooooooooooooooooood!. It is too difficult when try to transfer files with iTunes application. Helpful (0) Reply options Link to this post by KiltedTim, KiltedTim Mar 17, 2014 5:11 PM in response to OnceUponAnAppleCare Level 9 (55,712 points) Mac OS X Mar 17, 2014 5:11

The phone turned back on and showed the low battery sign. Comments regarding this error while jailbreaking or using a software version other than the latest one will be ignored. Helpful (0) Reply options Link to this post by simonege, simonege Sep 3, 2013 7:03 AM in response to _Alama_ Level 1 (0 points) Sep 3, 2013 7:03 AM in response It had nothing to do with the system but the the connection between the battery and the phone had gotten messed up.

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