How To Resolve Error 21 On Itunes
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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) itunes error 21 iphone 5 Recently my iPhone 4 just reset itself out of nowhere and
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wouldn't turn back on. I placed it on a dock & the connect to itunes screen showed up. error 11 itunes 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 different computers
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& 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_ Level 9 error 21 ipad (56,332 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, simonege Sep 3, 2013
basic stepswhen you see this message: "The iPhone [device name] could not be restored. An unknown error occurred [error number]." If you
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still see the error message, find your error below to learn what
Iphone 4s Error 21 Solution
to do. Choose your error number or messageSelect your error to learn what to do: 1,2,3,4,6,9,10,11,12,13,14,16,17 20,21,23,26,27,28,29,34,35,36,37,40,53,56 1002,1004,1011,1012,1014,1015 iphone error 21 iphone 6 1600,1601,1602,1603,1604,1611,1638,1643-1650,1667,1669, 1671 2001,2002,2005,2006,2009 3002,3004,3013,3014,3015,3194,3200 4005,4013,4014 "There was a problem downloading the software." "The device isn't eligible for the requested build." "Invalid response." "The required resource can't be found." https://discussions.apple.com/thread/5118033?tstart=0 Check for communication issuesIf you see error 1671, iTunes is downloading necessary software. Wait for the download to finish and try again. To see how long the download should take, you can click the down arrow in the upper-right corner of iTunes. If you see one of the issues below, your computer might not be able to connect to https://support.apple.com/en-us/HT204770 Apple servers or your iPhone, iPad, or iPod touch: 17, 1638, 3014, 3194, 3000, 3002, 3004, 3013, 3014, 3015, 3194, 3200 "There was a problem downloading the software." "The device isn't eligible for the requested build." Check for communication issues between iTunes and Apple software-update servers.Also check forissues with third-party security software. If you still see an error message, contact Apple Support. Check your security software If you see error 9, learn what to do. If you see errors 2, 4, 6, or 1611 check forissues with third-party security software. Alsocheck for USB connection issues. If you still see an error message, contactApple Support. Check your USB connectionsIf you see error 4005, 4013, or 4014,learn what to do. If you see one of the errors below, you might have a USB connection issue: 13, 14, 1600, 1601, 1602, 1603, 1604, 1611, 1643-1650 2000, 2001, 2002, 2005, 2006, 2009 An error message that includes, "invalid response" Use these steps to see if the issue is with your USB cable, USB port, or computer. Try again after each st
Выбрать другой язык можно в списке ниже. Learn more You're viewing YouTube in https://www.youtube.com/watch?v=BxcjQcMk3QY Russian. You can change this preference below. Закрыть Да, сохранить Отменить Закрыть Это видео недоступно. Очередь просмотраОчередьОчередь просмотраОчередь Удалить всеОтключить Загрузка... Очередь просмотра Очередь __count__/__total__ How to bypass iTunes error 21 error 21 while trying to restore DarkNinjaL0rd ПодписатьсяПодписка оформленаОтменить подписку3131 Загрузка... Загрузка... Обработка... Добавить в Хотите сохраните это видео? Войдите в аккаунт и добавьте его в плейлист. Войти Поделиться Ещё Пожаловаться error 21 iphone Пожаловаться на видео? Выполните вход, чтобы сообщить о неприемлемом контенте. Войти Статистика 76 817 просмотров 81 Понравилось? Войдите в аккаунт, чтобы поставить отметку. Войти 82 32 Не понравилось? Войдите в аккаунт, чтобы поставить отметку. Войти 33 Загрузка... Загрузка... Загрузка... Оценка становится доступна после аренды видео- В данный момент эта функция недоступна. Повторите попытку позже. Опубликовано: 17 нояб. 2012 г.This is a video explaining how to bypass iTunes error 21 while trying to restore. Error 21 is caused when iTunes verifies the restore with Apple and Apple doesn't allow it.N