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Iphone Cannot Be Restored An Unknown Error Occurred 21

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Loading... Step 2:Now push and press the home button, then the Wake /sleep button at the same time when holding home button. Use a different computer to restore your iPhone. 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 http://auctusdev.com/error-21/iphone-4-cannot-be-restored-unknown-error-21.html

Your device will display this particular error when iTunes tries to authenticate the downloaded restore files (. You can't cause any injury. 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). Reply → Mayur • 5 years, 3 months ago Hi,I tried all the steps, place iphone in Pwned DFU using ireb,while trying to restore, it show up white screenand then

Iphone 5 Restore Error 21

but it still returned with the same error... Find and display best Poker hand Why do central European nations use the color black as their national colors? helped with my iphone 5 12/21/2015 by viralpt77 Add a comment 0/1024 Cancel Post comment Are you sure you want to delete this zzzzzz?

Not recovery. Try to restore it again via iTunes. Make sure the other user has admin rights.Update your security softwareDisable the security software and try to update or restore your iPod again.Uninstall the security software and then try to update The Iphone Could Not Be Restored An Unknown Error Occurred 29 Video Converter Ultimate Your complete video toolbox: download, convert, edit, burn and more.

An unknown error occured (21)."ReplyDeleteAuthor30/12/2012, 15:51Have you tried testing on a different computer? Error 21 Itunes open the screw bettry .. Now you have your phone back!If this didn’t work you could also try download and run latest standard tinyumbrella ( I used v5.10.03) and untick “set hosts to cydia on exit” https://www.ifixit.com/Answers/View/81953/iPhone4+won't+restore+and+shows+Error+21 I opened the phone and fitted a charged battery then restored again and it worked.

Why is JK Rowling considered 'bad at math'? Iphone Could Not Be Restored Error 29 Cancel 21 Answers Filter by: Most Helpful Newest Oldest Most Helpful Answer not Rep: 145 2 1 1 Posted: 07/07/2012 Options Permalink History when the os does not load and all please help me.. Was this answer helpful?

Error 21 Itunes

This was made worse by settings left over from previously saving my shsh blobs.Basically the solution is the following: Step 1 get out of recovery mode by:I downloaded the tinyumbrella “fix Use RS and put your device in a Pwned DFU state and then continue with the restore. Iphone 5 Restore Error 21 Support Apple Support Communities Shop the Apple Online Store (1-800-MY-APPLE), visit an Apple Retail Store, or find a reseller. Iphone 6 Error 21 Though it's very unlikely to happen, yet your security program could list iTunes as a malicious program and block all incoming and outgoing data traffic through this app.

If the update for your Mac is available, click the Update button. this content May not work everytime but worked for me. Using tools it is posisble to make transfer of filesEasy to make iPhone 5 Mac transfer]. Reply → Pramod • 5 years, 2 months ago Eh, what are you talking about? Iphone Error 11

I start the restore process, and after a few seconds the screen turns all white, and ITunes pops up error 21 again. :(Suggestions? It's the best thanks to resolve iPhone error 21. Solution 5: Check Sensor cable This step appears knotty, however, it's not. weblink Saved my ass, from getting a new phone, Your the best ReplyDeleteAnonymous21/03/2013, 05:04It solves the 3194 but now i got error 1604 instead, any idea folks?ReplyDeleteMoshePartushBlog22/03/2013, 14:49goooooooooooooooooooooooooooooooooooood.

Disconnect your iPhone from the computer, and quit iTunes. Iphone 4s Error 21 Hardware Solution To fix this issue, you must put your iDevice into DFU mode.DFU or Device Firmware Upgrade mode allows all iDevices to be restored from any state. Double-click Notepad.

This helped a lot!!!!

It will work i tryed it and it works 12/16/2015 by Cody Smith Wowwww... Press the Windows key on your keyboard, or Control (Ctrl) and Escape (Esc). 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 Iphone Error 21 Iphone 6 It is still like that it wont power on unless its connected to a PC or power outlet.

Thanks so much it worked perfectlyReplyDeleteTristanMAC11/04/2013, 08:00Was fighting with this for several hours on my iOS 6.1.3 device. Yes No Voted Undo Score 2 Cancel Add a comment 0/1024 Cancel Post comment Are you sure you want to delete this zzzzzz? How to Fix iPhone/iPad Red Screen of Death How to Repair Cracked iPhone Screen How to Fix iPhone Blue Screen of Death Common iPhone Email Related Problems and Ways to Fix http://auctusdev.com/error-21/iphone-restore-an-unknown-error-occurred-21.html Reply → Pramod • 5 years, 2 months ago Use Redsn0w to put your device into a Pwned DFU mode instead, if your restoring to a custom IPSW.

Then, check if your computer compatible with the latest iTunes version, so that the process can run well without any hassle.Update iTunesAs we know, every update comes with bug fixes and improvements. FollowTroubleshooting security software issues to resolve this issue. That's why is important to try another computer and/or make sure your firewall/antivirus is not blocking iTunes.ReplyDeleteMark Munar11/02/2013, 21:04worked for me thanks...ReplyDeleteעומר גל13/02/2013, 23:34thanks a lot you are grateReplyDeleteMas14/02/2013, 19:58thanks man It is a fairly common problem that can occur even if the cable you are using and the network connected to are both working correctly and are trustworthy.

Disable Antivirus for a While Updates require internet access. Yes No Voted Undo Score 0 Cancel Add a comment 0/1024 Cancel Post comment Are you sure you want to delete this zzzzzz? Reply → ----- • 3 years, 9 months ago Thank you SO VERY much!!!!!!!!!!!! So basically you can't use an older firmware unless you work around the security that Apple has put in place.

Download Download Dr.Fone - iOS Data Recovery Recover lost or deleted contacts, messages, photos, notes, etc. How to Fix iTunes Unknown Error 21 Below are posted the top 7 methods to fix iTunes error 21 when you restore or update your iPhone: 1. no?