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An Unknown Error Ocurred 21

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Restart your iTunes in case of Mac and restart your computer in case of a PC. How to Fix iPhone Restore Error 21 - Option # 1 Easiest option is to upgrade or restore using a computer, which you've not used before or belongs to someone else. make sure the iPhone is connected to a power source (though not pertinent if the battery has enough juice) Was this answer helpful? An unknown error occured (21)."ReplyDeleteAuthor30/12/2012, 15:51Have you tried testing on a different computer? this content

What I did was to use redsn0w to restore my iPad. Thank you so much for the tip !ReplyDeletesdh25/02/2013, 14:45it didnt work :("C:\Windows\System32\drivers\etc\hosts is not writabe!"ReplyDeleteAuthor25/02/2013, 16:[email protected] You need to open notepad as adminReplyDeleteSajan25/02/2013, 19:10Above method helped to overcome the Error 3194. NOT good advice for people who come here looking for help. Hot Network Questions How to "flatten" a nested Association? official site

An Unknown Error Occurred 21 Itunes

Let us know in the comments below. just change the battery and your problem will be solve ..! I was ready to buy a new battery and now I don't have to. Please try the following: Load the page again by clicking the Refresh button in your web browser.

Cancel scott Rep: 97 1 1 Posted: 06/05/2012 Options Permalink History you don't have to replace battery or even take it out just take off back disconnect the battery(one screw) i Yes No Voted Undo Score 0 Cancel Add a comment 0/1024 Cancel Post comment Are you sure you want to delete this zzzzzz? Yes No Voted Undo Score 0 Cancel Add a comment 0/1024 Cancel Post comment Are you sure you want to delete this zzzzzz? An Unknown Error Occurred 3194 Restore your device.

At that point, iTunes wrote; 'iTunes has detected an iPad in recovery mode. Hope this helps. Cancel oldturkey03 @oldturkey03 Rep: 363.7k OTS 563 256 1k Posted: 03/05/2012 Options Permalink History [http://Here is ]what Apple suggest " Custom firmware restore fail (PwnageTool since 4.1). https://www.ifixit.com/Answers/View/81953/iPhone4+won't+restore+and+shows+Error+21 Dr.Fone - iOS System Recovery Fix with various iOS system issues like recovery mode, white Apple logo, black screen, looping on start, etc.

If it is outside of its warranty, you can pay them for replacement. An Unknown Error Occurred 21 Iphone 4 What TinyUmbrella achieves is to remove any blocks created by a previous Jailbreak or similar procedure. Check out this tutorial including a video. "How to modify the hosts file in Windows" In OS X You can find the hosts file on: "/etc/hosts" or "/private/etc/hosts" Make sure you I click "ok", then "restore".

An Unknown Error Occurred 21 Iphone

Yes No Voted Undo Score 0 Cancel Add a comment 0/1024 Cancel Post comment Are you sure you want to delete this zzzzzz? This Site and How To Enter and Exit? (iPhone, iPod, iPad) - Duration: 8:17. An Unknown Error Occurred 21 Itunes My solution: I opened the phone, removed the battery, cleaned out the battery connector and reattached the battery. An Unknown Error Occurred 21 The Iphone Could Not Be Restored Done it for countless times, in 4 different computers.

Download Download Jul 20,2016 19:20 pm / Posted by Selena Lee to iPhone Problems Follow @001DrFone Product-related questions? http://svbuckeye.com/unknown-error/an-unknown-error-ocurred-6.php Cancel gti3993 Rep: 1 Posted: 11/18/2015 Options Permalink History Error 21 First try to replace the battery . All Rights Reserved. but your tips works like a charm.ReplyDeleteHammad Ahmed07/02/2013, 10:45Thanks a lot man. Unknown Error Occurred 1600

Yes No Voted Undo Score 0 Cancel Add a comment 0/1024 Cancel Post comment Are you sure you want to delete this zzzzzz? It kept trying to restore but only ended up with error 21. Yes No Voted Undo Score 65 Cancel Comments: my iPhone does the same thing 12/27/2014 by imani I just had this error, I removed screen, changed battery for another one from http://svbuckeye.com/unknown-error/an-unknown-error-ocurred-20.php Cancel Neo Rep: 25 1 Posted: 04/08/2015 Options Permalink History I faced Error 21 recently and the only way I was able to solve it was by removing the battery and

The lower sidebar block. An Unknown Error Occurred (21) Iphone 5 Enter your password Use the down arrow key to find the “gs.apple.com” entries. Because it has attracted low-quality or spam answers that had to be removed, posting an answer now requires 10 reputation on this site (the association bonus does not count).

US$149 for a 3Gs or 4 (or 3G, but that wouldn't be worth it at this point), US$199 for a 4S.

Some of the scenarios in which "An unknown error occurred (21)" shows up: Upgrading to a newer version of iOS on your iPhone Restoring your iPhone There are 2 easy solutions It is still like that it wont power on unless its connected to a PC or power outlet. If Yes, then your battery itself is faulty and needs replaced!iphone 4 owners may purchase a replacement from amazon for around 5 dollars and do the replacement them selfs ( walkthrough The Ipad Could Not Be Restored An Unknown Error Occurred 21 But not work.

Support Apple Support Communities Shop the Apple Online Store (1-800-MY-APPLE), visit an Apple Retail Store, or find a reseller. Loading... This article has lots of information about this error and actual information about error. check my blog Leon Stacey 73,103 views 6:50 Tutorial - How to fix Error 21 using iTunes - Duration: 1:37.

I have the same problem with my ipad 2. iMates 274,409 views 2:49 Itunes Error ~54 Updated - Duration: 3:11. Please type your message and try again. _Alama_ Level 1 (0 points) Q: Can "unknown error 21" be fixed ?? (iphone 4) Recently my iPhone 4 just reset itself out of Techmagnet 266,148 views 13:19 iTunes ERROR 21-1602 fix! 2012 - Duration: 2:11.

Windows users -  Navigate to C:WindowsSystem32driversetc and locate “hosts” file. 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 It worked for me. An unknown error occurred (3194).

Right-click the "Copy of hosts" (Windows XP) or "hosts -Copy" (Windows Vista/7) file, and choose Rename. Good Luck! - By Lone Ranger [Related Articles] How to modify the hosts file in Windows. Yes No Voted Undo Score 0 Cancel Add a comment 0/1024 Cancel Post comment Are you sure you want to delete this zzzzzz? Hemm 150,493 views 6:18 How we fixed error 21 in this iPhone 4 - Duration: 5:01.

Thank you very much. MobileTrans - Phone Transfer The easy 1-Click Phone to Phone Transfer software. I plugged it into my computer and when it began to restore it stopped and the unknown error 21 window popped up. We can achieve this manually by editing the HOSTS file in Windows or in OS X.

in no way will this forfeit the ability for apple to support the unit you own. Welcome to Mac-Forums! You would like to induce the newest version of iTunes, then attempt to restore once more or update.The device has a beta version of iOS. • You are attempting to put