Itunes Error 21 Restoring Iphone 4
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Close × Menu Repair Guides Answers Forum Parts & Tools Store Teardowns Translate Join Log In GO iFixit Fast Order Create a Page Edit Billing Info Order History Logout Join Log In Repair Guides Answers Forum Parts & Tools Store Teardowns Translate « Back to Answers Index 81953 iPhone error 21 iphone 4s 4 Fourth generation iPhone. Repair is straightforward, but the front glass and LCD must be iphone 5 error 21 replaced as a unit. GSM / 8, 16, or 32 GB capacity / Model A1332 / Black and White. iphone 4 restore fail 3126 iphone 6 error 21 Questions 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
Iphone Error 11
to 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 iphone error 21 iphone 6 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 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 d
basic stepswhen you see this message: "The iPhone [device name] could not be restored. An unknown error occurred [error number]." If you still see the error iphone 4s error 21 hardware solution message, find your error below to learn what to do. Choose your error
Iphone 6s Error 21
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 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
Error 21 Itunes
was a problem downloading the software." "The device isn't eligible for the requested build." "Invalid response." "The required resource can't be found." Check for communication issuesIf you see error 1671, https://www.ifixit.com/Answers/View/81953/iPhone4+won't+restore+and+shows+Error+21 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 Apple servers or your iPhone, iPad, or iPod touch: 17, 1638, 3014, https://support.apple.com/en-us/HT204770 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 step: Use the USB cable that came with your device. If you don't have it, try a different Apple USB cable. Switch to a different
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