Error 21 On Iphone 4
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Error Code 21 Iphone 4
View all 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
Error 2001 Iphone 4s Fix
the wall charger or the computer). Then, it goes to the Connect to iTunes screen and when I connect it to iTunes it 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 iphone 4 error 1600 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 restore it but nothing. please help!!! 04/26/2015 by karisma alvarez bro,my phone does the same exsact thing !!! its making me really mad doe 05/04/2015 by zenella garcia It worked but now it won't swip open the screen. 05/16/2015 by Maria Cotto Yes it worked, but now it won't swip open the screen. 05/16/2015 by Maria Cotto its nots working. it keeps doing it. 06/23/2015 by cheyeneham9761 Remove the battery and leave the phone for 2 minutes. Put the battery back, connect the phone to iTunes and restore. It worked for me. I guess the phone needed a complete hard reset. 06/24/2015 by Neo All you need to do is get a new battery :
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
Iphone 4 Error 1013
4) Recently my iPhone 4 just reset itself out of nowhere and error 1013 restoring iphone 4 wouldn't turn back on. I placed it on a dock & the connect to itunes screen showed dfu mode iphone up. I plugged it into my computer and when it began to restore it stopped and the unknown error 21 window popped up. This has occured on 3 https://www.ifixit.com/Answers/View/81953/iPhone4+won't+restore+and+shows+Error+21 different computers & now I'm unsure 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 by KiltedTim, KiltedTim Jun 20, 2013 1:59 PM in response to _Alama_ https://discussions.apple.com/thread/5118033?tstart=0 Level 9 (56,133 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 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, simo
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 iOS update http://www.unlockboot.com/2015/12/how-to-fix-itunes-error-21-when-restore.html is attempted using iTunes. The problems don't have any specific one-button fix, thus users will have http://www.ihelplounge.com/how-to-fix-itunes-error-21-while-restoring-the-iphone-ipod-touch/ 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 iTunes isn't very iphone 4 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 cases; as it resets iphone 4 error 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 with very old motherboards. Unplugging USB devices might s
Jailbreak Tools Download Downgrade Microsoft Reviews Menu Home Apple iPhone iPhone Apps iPhone Accessories iPhone Wallpapers iPad iPad Apps Apple TV Apple Watch Apple Watch Accessories Apple Watch Apps Android Android Accessories Android Apps Jailbreak iOS Jailbreak iOS Jailbreak News Cydia Tweaks Jailbreak Tools Download Downgrade Microsoft Reviews Home How To's How To Fix iTunes Error 21 While Restoring iPhone / iPod Touch How To Fix iTunes Error 21 While Restoring iPhone / iPod Touch Posted By: ihelpounge Staffon: January 22, 201211 Comments FacebookTwitterGoogle+7Pinterest2 Itunes Error 21 is the most typical error customers face while performing a restore on the iPhone. The Firmware tool to improve this issue is often called DFU mode, this mode allows you to restore your iDevice with an original iOS n or a custom iOS firmware. To fix iTunes Error 21 in order to restore your iPhone/iPod touch, connect to your device into DFU mode first to get by following the instructions according to your device, The steps below will help getting into DFU mode in case you do not know how to: Put your iDevice into DFU mode to Fix iTunes Error 21 While Restoring Connect your device to your PC or Mac via a USB cable and launch iTunes. Hold Home + Power button for 10 seconds. After 10 seconds release the power button off, but keep the Home button pressed until iTunes a little device in recovery mode you find there. Once your device into DFU mode, you see nothing on the screen, only a black image. (See above) If you successfully performed these steps, iTunes will give you a message that a device was found in Recovery Mode and restore it. Now click on the SHIFT button + Restore in iTunes button, so that iTunes can refer to the iOS firmware to which you are restoring to. If you have followed these steps you should be able to fix iTunes Error 21 while restoring your iPhone / iPod touch. This error 21 may appear during the installation of a program, while Apple Inc.-related software programs (eg iTunes) running during startup or shutdown Windows, or even during installation of the operating system Windows. Keep track of when and where the error 21 occurs is critical information in solving the problem. Now you have fixed iTunes error 21, and your iPhone can also be restored to an ipsw customized firmware. You may also like to read: The