Cannot Restore Iphone 4 Unknown Error 21
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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 4 just reset itself out of nowhere and wouldn't turn back on. I placed it on a dock &
Iphone 5 Error 21
the connect to itunes screen showed up. I plugged it into my computer and when it iphone 6 error 21 began to restore it stopped and the unknown error 21 window popped up. This has occured on 3 different computers & now I'm unsure
Error 21 Itunes
how to handle 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 iphone error 11 by KiltedTim, KiltedTim Jun 20, 2013 1:59 PM in response to _Alama_ Level 9 (55,990 points) Mac OS X Jun 20, 2013 1:59 PM 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 iphone could not be restored error 29 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 solve it? I have the same problem with my ipad 2. Helpful (0) Reply options Link to this post by OnceUponAnAppleCare, OnceUponAnAppleCare Mar 17, 2014 1:32 PM in response to _Alama_ Level 1 (0 points) Mar 17, 2014 1:32 PM in response to _Alama_ Typically Yes That k-base document will resolve, OR at least help....This is how you see if it is your computer software causing the issue OR if it is the battery in your unit. attempt to restore the device, when you recieve error 21 (unable to restore "device" unknown error occured 21)make sure your device has been plugged in long enough to recieve some sort of charge. ( computer, dock, c
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The Iphone Could Not Be Restored An Unknown Error Occurred 29
In Repair Guides Answers Forum Parts & Tools Store Teardowns Translate « iphone error 21 iphone 6 Back to Answers Index 81953 iPhone 4 Fourth generation iPhone. Repair is straightforward, but the front glass and
Error 21 Iphone 5 Battery
LCD must be replaced as a unit. GSM / 8, 16, or 32 GB capacity / Model A1332 / Black and White. iphone 4 restore fail 3122 Questions View all https://discussions.apple.com/thread/5118033?tstart=0 Clew Rep: 781 2 2 1 Posted: 03/05/2012 Options Permalink History Subscribe Unsubscribe iPhone4 won't restore and shows Error 21 My phone won't turn on, but shows the Apple logo when I plug it in (either to the wall charger or the computer). Then, it goes to the Connect to iTunes screen and when I connect it to iTunes it https://www.ifixit.com/Answers/View/81953/iPhone4+won't+restore+and+shows+Error+21 tells me that I need to restore the phone. It will get all the way to "preparing iPhone for restore" then will say, "The iPhone could not be restored. An unknown error occurred (21)." I tried to disable my computer security, but it did the same thing. Does anyone know what else I could do to fix it? Please help! Answer this question I have this problem too Subscribed to new answers Is this a good question? 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 a spare phone, connected old screen back on, and YES no more error 21, phone restored fine and working without problem. 01/06/2015 by jeffa ps old battery ribbon connection was damaged. 01/06/2015 by jeffa my phone restore, keep getting Error YES no more error 21, phone restored 04/22/2015 by Ankit Gupta i need help mine does the same thing and it gets me so frusturated ive tried everything to resto
the problem often lies within the user's end, but still most Apple fans get an iPhone for the hassle free experience which is less common on Android; and such errors do really hurt the Apple reputation. However, iTunes error 21 often shows up while an iPhone or iPad http://www.unlockboot.com/2015/12/how-to-fix-itunes-error-21-when-restore.html iOS update is attempted using iTunes. The problems don't have any specific one-button fix, thus users http://www.technobezz.com/iphone-apple-errors-fixes/ will have to take the hit & miss path to test each and every possible solutions to succeed. Here are seven easy fixes which are most likely going to work and fix iTunes error 21. 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. Restart iTunes error 21 iTunes isn't very perfect even till yet, it often tends to act very buggy. iTunes error 21 could be a result of a faulty session. There could be other reasons like a disrupted connection between the iPhone and iTunes in midst of the update which resulted into a temporary corruption of update files, potentially leading into unknown error 21. Other similar sort of issues might just arise in a matter of moments. Restarting iTunes is the best possible solution in such iphone could not cases; as it resets some values and bits underneath to bring things back to normal. 2. Update iTunes Is your iTunes the latest version from Apple? With update in iOS and every other software, iTunes needs to be updated as well. Especially if your iPhone is running the latest iOS and your iTunes is few generations older - many errors like error 21 are very likely to appear every now and then. There are probably a lot of conflicts happening underneath triggering errors. 3. Disable Antivirus for a While Updates require internet access. 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. As a result, updating iPhone via iTunes will be interrupted. Check your antivirus block list for such case, or simply disable it for a while. 4. Check Host File Check if the .hosts file doesn't block the Apple's servers. To do that you need to open your hosts file. Check this guide if you are a Mac user & check this guide if you are a Windows user. 5. Unplug USB Devices you Don't Need Unplug every USB device from your computer that you don't need, especially other smartphones or storage drives. Those devices could create conflict and make iTunes unable to detect an iPhone. There could be issues like difficulty in voltage management in older computers wi
Fixes Last Update: September 30, 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 errorsContents1 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 issues6.1 Check Internet connection6.2 Check the Apple server status6.3 Check your host file7 Jailbreak Issues7.1 Restore in DFU mode8 Errors 0xE800000a, 0xE800006b, 0xE8000001, 0xE80000659 iPod errors 1415, 1417, 1418, 1428, 1429, 1430 Hardware IssuesIf you see one of the following errors, then the issue is related to the hardware of your iPhone, iPad, or iPod. 1, 3, 10, 11, 12, 13, 14, 1620, 21, 23, 26, 27, 28, 29, 34, 35, 36, 37, 40, 53