An Unknown Error Occurred 21 Iphone 4
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not post a blank message. Please type your message and try again. _Alama_ Level 1 (0 points) Q: Can "unknown error 21" be fixed ?? (iphone 4) Recently my iPhone the iphone could not be restored an unknown error occurred 21 4 just reset itself out of nowhere and wouldn't turn back on. I the iphone cannot be restored an unknown error occurred 21 placed it on a dock & the connect to itunes screen showed up. I plugged it into my iphone 4 could not be activated because an unknown error occurred computer and when it began to restore it stopped and the unknown error 21 window popped up. This has occured on 3 different computers & now I'm unsure how to handle
The Iphone Could Not Be Restored An Unknown Error Occurred 53
this. -Please help. iPhone 4, iOS 6 Posted on Jun 20, 2013 1:54 PM I have this question too Close Q: Can "unknown error 21" be fixed ?? (iphone 4) All replies Helpful answers Page 1 Next by KiltedTim, KiltedTim Jun 20, 2013 1:59 PM in response to _Alama_ Level 9 (55,712 points) Mac OS X Jun 20, 2013 1:59 PM the iphone could not be restored an unknown error occurred 11 in response to _Alama_ http://support.apple.com/kb/ts3694#error21Error 20, 21, 23, 26, 28, 29, 34, 36, 37, 40These 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. 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 to _Alama_ Did you solv
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I had jailbroken and unlocked one of my iPhones. To prepare for WWDC 2012 starting next week, I decided to restore my iPhone to be in the http://www.survivalguide4idiots.com/fix-iphone-restore-error-21-how-to.html good books of Apple and not having to carry around a jailbroken iPhone. However, when I tried to upgrade my iPhone to the latest version of iOS 5.1.1, I was greeted with error http://www.technobezz.com/iphone-apple-errors-fixes/ 21. Error 21 goes like this " The iPhone could not be restored. An unknown error occurred (21)." Go to Apple Support forum to look for a resolution of error 21 and you'd unknown error probably find one of the most generic and useless information out there. Have a look yourself here. If you're also facing error 21, in all likelyhood, the phone was either jailbroken or physically damaged. In the latter case, you can get a replacement from Apple. US$149 for a 3Gs or 4 (or 3G, but that wouldn't be worth it at this point), US$199 for a 4S. If it unknown error occurred was jailbroken, they won't touch it. So, what do you do? Don't worry, we're here! 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 to resolve error 21. Use either one, which best suits you. You will find plenty of solutions on the internet, do not try one which seems risky, else your iPhone will turn into a brick in no time! 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. Bottom line is that you need to use a computer (Mac or PC) other than the one, which gave you error 21. If you have only one computer, you will have to edit your host file (option # 2) because it has an entry, which is preventing upgrade or restore of your iPhone and resulting in error 21. How to Fix iPhone Restore Error 21 - Option # 2 If you do not want or have another computer to resolve iTunes error 21, y
Apple Errors And Fixes Last Update: September 8, 2016 iPhone And Apple Errors And Fixes By Elizabeth Kartini Apple September 8, 2016 If you are experiencing some issues on your iPhone, iPad, or iPod, restoring is usually one of the solutions that can fix a wide range of problems. It gives your device a fresh start. Most of the time, the process goes smoothly, but sometimes, you may see the error message saying the iOS device cannot be restored along with the error number. This can be quite annoying, but there are many ways to get rid of the problem.In this article, we are going to talk about different error messages and ways to fix them.See also: How To Fix iPhone/iPad Won't Connect To Wi-Fi Errors: 1, 2, 3, 4, 13, 14, 21, 23, 29, 1011, 1012, 1600, 1601, 1602, 1603, 1604, 1611, 1638, 1643, 1644, 1645, 1646, 1647, 1648, 1650, 1669, 2001, 2009, 3000, 3001, 3003, 3004, 3006, 3014, 3015, 3194, 3259, 4005, 4013, 4014, 9006, etc.0xE800000a, 0xE800006b, 0xE8000001, 0xE8000065, etc.iPod errors 1415, 1417, 1418, 1428, 1429, 1430, etc.Ways to fix iPhone and Apple errorsTable Of Contents1 Ways to fix iPhone and Apple errors2 Hardware Issues2.1 Make sure:2.2 Set Date, Time, and Time Zone correctly2.3 Check the compatibility2.4 Update iTunes2.5 Try the restoring process again2.6 Disable or remove your antivirus software2.7 Try another computer2.8 Try the other Internet connection2.9 Try DFU mode2.10 Solution for Error 533 Baseband Issues3.1 Update iTunes3.2 Restart your computer3.3 Update your computer OS3.4 Charge the battery3.5 Use the other USB cable3.6 Use the other computer3.7 Force Restart the device3.8 Restore in DFU mode4 Security Software Issues4.1 Disable or remove the security Software4.2 Try the other USB cable5 USB Connection Issues5.1 Use the other USB cable5.2 Use the different USB port5.3 Try another computer6 Communications issues