Itunes 16xx Error Fix

Connect your iPhone or iPad until Devices appear on iBackupBot. Then Sign in using your new Apple ID password. 3, which is what I need to use for backing up older iOS devices that can't update beyond iOS 9. Fix 1600, 1604 and 16xx Errors for Custom iOS 4. If none of the above solutions work for you, consider updating to iOS 12. New; Windows 10/8/7/XP/Vista. Apple releases frequent updates to iTunes in form of versions to fix bugs and introduce improvements. Unable to Connect Dell Printer to Wireless System. if you like this article, you may want to subscribe and follow me on Twitter. For written instructions and the iReb download, follow this link: Subscribe for more videos and follow my Twitter:. Step 3 Choose the backup contains the data you want to recover and click Right Arrow > Check the files categories and click on OK button to start the scan process. This is compatible with the 5th gen iPod Touch as well as the iPhone 4s-6 plus as well as the iPad 2,3,4 the iPad air and finally the iPad mini 1 and 2. Step 2: Simply connect your device with iTunes with your USB cable. Click on iTunes and then Check for Updates. For, Window OS users, go menu bar in iTunes, Choose Help >> Check for Updates. I'm trying to get past the 16xx errors on a Snow Leopard Mac running iTunes 10. When you get a message asking you to restore your system and you click "restore". With a current point score over 100,000, they've contributed more than 3000 answers in the Microsoft Support forums and have created almost 200 new help articles in the Technet Wiki. It installed okay and I on recovery mode new vidoe card because my diamond radeon 9250 pci graphic card(s9250pci256b). Remember, whenever you want to use iTunes to update, or restore your device, the software itself should be updated. But now with the help of the Fix recovery, it will not bother you again. 1 on iPhone Many users are facing issues while updating to iOS 4. If it still doesn't work, just put your iPhone in recovery mode. Switch the cable to a Made for Apple one. Turn off your iPhone and plug it into your computer via the USB cable. Realme X Data Recovery- Recover Lost Or Deleted Data From Realme X Phone. The program can only convert DRM-protected files on an authorized computer. Click "System Recovery" in the main window of Fix Recovery and do what it tells you to do to fix the operating system. 4 should work with iOS 9 devices. and i also tried to solve them with ireb but still im facing these errors. Step 1: Once you install the software, launch it and hit ‘Unlock’ tab among the options available on the main screen. Other Great Posts. Tunescare will repair the corrupted iTunes library automatically. Xiaomi Data Recovery- Easy And Effective Ways To Get Back Deleted Data From Xiaomi Phone. Step 3: Locate ‘iTunes Library. Jignesh Padhiyar is the co-founder of iGeeksBlog. We suggest you open Windows File Explorer, type “*. If you provide your email address, you agree that we may contact you to better understand the comments you submitted. To do so, type appwiz. dll; Open the folders C:\Program Files\iTunes or C:\Program Files (x86)\iTunes if present. Solution No. I have also confirmed that iTunes Match is working on my Mac Mini running iTunes 12. The iTunes and iCloud need to be able to communicate with the servers, and something is preventing it. The iOS system recovery software works independently without using the official iTunes software. Even I had this problem and even i wanted to run GTA V so I re installed windows this helped me and after that install new versions of microsoft. 1: Update iTunes. Step 1: Run iTunes on your computer. Last time i got this message, i succesfully restore from another computer! dunno if i was lucky or no, but you can try! GL&HF anyway. This repair tool will locate, identify, and fix thousands of Windows errors. It's a simple config edit, follow the link for instructions. Simply follow the steps below to fix this issue: Click Start-> Control Panel for Windows 7/Vista/Ultimate and If you're using Windows 8 then hit the Windows key on keyboard (it is the one between besides the Alt key) on the left and type Control Panel to access Control Panel. There so many option available to fix the iTunes errors. Please note that steps below may be slightly different for you depending on your region. But I don't want that as it will mess up my device like it did with my phone. Unable to Connect Dell Printer to Wireless System. Connect your iPhone to your PC or Mac, and you usually use to sync with. Run EaseUS MobiSaver, choose "Recover from iTunes Backup", choose the iTunes Backup of your device and click "Scan" button to make the program scan for the iTunes backup file to find all your data. If it still persists, you can try to fix this issue using iTunes in next step. For, Mac users, Choose iTunes >> Check for Updates. Blog For Latest Tips & fixes for iPhone, iPad, Apple Watch, Mac, iOS, macOS Problems. if you like this article, you may want to subscribe and follow me on Twitter. Unlike iTunes error 3194 or error 4014, iTunes Error 9 is not a very common error code. Do not do this method if you are wary about using software other than the official iTunes application!. Techlug is a Tech Blog that focus on Computer, Mobile, Tech tips, Tech news, PC tutorial, Phone tutorial, phone reviews, laptop reviews, how-to's, internet, android, iOS, Windows and other tech related stuffs. 3, which is what I need to use for backing up older iOS devices that can't update beyond iOS 9. Part of Windows 10 20H1 development branch Microsoft has released a new Windows 10 Build 19013. Repair iOS system with all your files are well-arranged. Download iTunes 12. Repair iPhone won't sync with iTunes errors. How to Update iTunes Software. or restore your iPhone or any other iDevice. Windows 10 has officially launched, but it seems as though the update is causing some issues with iTunes sync. Latest updates on everything iTunes Errors Software related. 2: Task Manager. Plug your iPhone into your computer with your USB cable If it doesn't automatically, launch iTunes. iTunes U provides everything an instructor needs to bring the classroom together on iPad—build lessons with apps and your own materials, collect and grade assignments, start class discussions or talk with students to answer questions and provide feedback. iTunes not working? iTunes and iTunes Store are apps built-in automatically into all Apple devices, including the Mac, iPhone, iPod touch, and iPad. Welcome to the Apple Developer Program. Need live support, call now at Dell Printer Support Number 1800-582-2431 Toll-Free and get connect experts to troubleshoot all issues. Backup iPhone to PC/Mac in 1 Click! Backup and restore data on your device to a computer with one click. Please upload a file larger than 100x100 pixels; We are experiencing some problems, please try again. If you are facing iTunes Error 9 then this article is for you. During Jailbreaking iOS 4. Make sure that iTunes is stopped on your computer (Widows/Mac). iReb finally stopped the apple cycle and the device has now gone black, but when I connect to itunes I keep getting the message “i Tunes could not contact the iphone update server because you are not connected to the internet. Here are three ways for you to fix this issue, you can try to use one of them to fix the system to normal, but if none of. Tech support scams are an industry-wide issue where scammers trick you into paying for unnecessary technical support services. Method 8: Restore without iTunes. Fix 1600, 1604 and 16xx Errors for Custom iOS 4. I guess you might have been confused on the differences between the Restore Mode and Recovery Mode. Although he has a background in finance and holds an MBA, Vikas Shukla is a technology reporter. Here is a list of iTunes errors that could appear during a restore or a USB connection via iTunes:. - while restoring, upgrading or downgrading iPhone 4S, 4, 3GS or iPad3,2,1 or iPod touch on iOS 4. To clear the lockdown folder perform the steps listed below. Make sure you’re closed out of iTunes and install it as administrator. However, the ghosts of its past seem to linger over some iOS instruments as a sizable number of users with iPhone, iPod touch, and iPad devices are experiencing a wierd 'Unable to Process Purchases at this Time' mistakes with a few apps. Back when iPhone was released, you could only manage your music collection with iTunes but with the latest version of iTunes, you can now backup and restore your iDevices as well as fix major iOS system related issues. If you have installed iTunes correctly. when he received it the screen was on the "CONNECT TO ITUNES". Take a look at how you can fix the issue. See image 6. If it still doesn't work, just put your iPhone in recovery mode. I clicked ok, iPad restored to factory. How to fix iTunes not installing on Windows 10. Cool Apps, Cool Life; Provide the most needed software for global users, improve the quality of life with science and technology. The repair tool on this page is for machines running Windows only. In this window, click "Tools," then click "Internet Options. If there is something wrong with your iPhone 6/6s/7/8/iPad, generally you can simply solve the problem by connecting your iPhone/iPad to iTunes and get your iPhone/iPad restored. itunes fix free download - Apple iTunes, Apple iTunes, Free Registry Fix, and many more programs. Select Uninstall from the right series of buttons and allow the uninstaller to complete. Hopefully you wont get any 16xx errors during restore this time around! Download iTunes 10. If number #3 does not help, now you may want to contact iTunes support. Some of you might be getting iTunes 16xx errors, including 1604, 1603, 1601, 1600 while trying to restore the custom cooked iOS 4. These errors comes reset or after iOS firmware downgrade. iTunes Errors Software Informer. " If this 1-click solution does not fix your iTunes download error, you can use the advanced mode by clicking "Fix All iTunes Issues". Backup iPhone to PC/Mac in 1 Click! Backup and restore data on your device to a computer with one click. Learn How to Fix 0xE8000065 Error easily. The definitive site for Reviews, Trailers, Showtimes, and Tickets. The iTunes Errors 16xx are a series of errors that might occur when there's a problem with firewall, USB port, cable or for a multitude of other reasons. Heal, smooth, liquify, lighten and make other edits and adjustments that give you the precise look you’re after. ipsw file and restore it. Please upload a file larger than 100 x 100 pixels; We are experiencing some problems, please try again. iTunes is a boon for iPhone, iPad and iPod users. You can fix most errors with these steps. Realme X Data Recovery- Recover Lost Or Deleted Data From Realme X Phone. Restoring via iTunes if much easier so let's see How to fix iPhone is disabled connect to iTunes. 1 custom firmware without any problems. How to fix the error message "iTunes could not restore the iPhone because an error occurred. 0 is an application available recently, with 1. update and restore errors in iTunes 1. If this doesn’t help, it’s because of a simple problem with the hosts file, follow the steps below to fix. On Windows click the Edit menu > Preferences. Learn How to Fix 0xE8000065 Error easily. Stellar Data Recovery Professional for Windows Stellar Data Recovery has the right Windows Recovery tool for all your data recovery. My buddy bought it from some guy on craigslist. Method 1: Fix iPhone Stuck on 'Connect to iTunes Screen' by Restarting it. This is something that really should get installed automatically with Cydia IMHO. The repair tool on this page is for machines running Windows only. We are committed to delivering one-stop services covering Sourcing Solution, Technical Support Solution as well as Recycle & Resell Solution. Upload failed. However, iTunes often shows errors when restoring iPhone or any other iDevices unexpectedly imgfor mysterious reasons. If none of the above solutions work for you, consider updating to iOS 12. Select a custom. But at times it can throw out an. Disable Firewall and Anti-Virus; Both of these can interfere with the connection between iTunes and the Apple servers – the firewall is the worst one, even though iTunes is perfectly safe. 1 the other day, iTunes match has not worked for me on my iMac. Step 2: If your iPhone performs abnormally, you will see the interface below. Click to install any available updates. Latest updates on everything iTunes Errors Software related. iMyFone TunesFix has brought to you such a nice user interface, easy and fast 7 functions modules from the interface, fully compatible with iTunes 12. us" install "AppSync for OS3. dll has been deleted or misplaced, corrupted by malicious software present on your PC or a damaged Windows registry. I finally got mine to work after days of trying everything. If your iTunes running slow,this iTunesFix tool assist you speedup the iTunes,and making the iTunes program running more faster. If you have a big capacity hard drive but small system drive, find a logic drive other than the system installed, and make sure the partition has enough space to hold all the existing backups which were already created by iTunes. If none of the above solutions work for you, consider updating to iOS 12. iTunes because I just got a new giftcard I want to redeem. Sửa Lỗi 1600 1602 1601 1603 1604 1618 1644 1667 16xx Restore. Jignesh Padhiyar is the co-founder of iGeeksBlog. Call How to fix itunes error code 4005 when you restore iphone or ipad for the best help and support. Help & support Computer and Internet owners by providing helpful answers, troubleshooting tips & repair advice. Now, get your iPhone and computer using a lightning cable and click ‘Start’ button. However, some errors discourage users from using these devices, such as random errors popping up on iTunes. The 'iTunes Cannot Read the Contents of the iPhone' error in no way requires a factory reset as Apple suggests. [UPDATE 6/3] CAUTION! If you already have unlocked iPhone, restoring iPhone just by clicking 'Restore' button without holding 'SHIFT' key will cause iTunes erased ALL media and data, and you will lose your unlock since iTunes will install newest iOS version for your iPhone. I finally got mine to work after days of trying everything. itunes fix free download - Apple iTunes, Apple iTunes, Free Registry Fix, and many more programs. Research the 2015 Toyota Sequoia Platinum in Las Vegas, NV from Centennial Toyota. Reason: Have no idea yet. As we received many users' required, we also made a tutorial about fixing error -1/1 when you restore or upgrade in iTunes/3uTools for you. tried all solution set host to cydia on exit and gs. 1000 (rs_prerelease) for Fast ring insiders. Are you currently experiencing iTunes Error 29 and searching for a solution to fix it? iPhone users commonly face error 29 for various reasons like hardwar. Fix #5: Look for USB drivers update Although we recommend you to use another computer, but if you do not have access to it, then look for drivers update on your PC. In this window, click "Tools," then click "Internet Options. Don’t get upset! If. this is the best way to fix ur iphone. com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon. Part 3: Update iPhone/iPad with iTunes The third method to get rid of iPad/iPhone software update failed issue, is to install and update the iOS version via iTunes, a software specially designed and developed to manage all iOS devices. 0" and your iTunes synching errors will be over. You may face this type of problem when you shut down your iPhone during updating time. 1 firmware and i fallow all the steps of the downwrade and it was impossible to fix it, I try like more than 10 times. When you lose data on your iPhone, it can be a very difficult and miserable situation to have to deal with. " Click the "General" tab. Step 3: Locate ‘iTunes Library. Now, reconnect your device back to your computer. You can help protect yourself from scammers by verifying that the contact is a Microsoft Agent or Microsoft Employee and that the phone number is an official Microsoft global customer service number. Do not do this method if you are wary about using software other than the official iTunes application!. • Restore iOS device to normal condition without data loss on device. Then, open iTunes on your computer and select your iPhone from the top left the menu. Free! Kittens swimming Kittens cute Kittens and puppies Kittens playing Kittens meowing Kittens crying. Fix Update October 2019: We recommend you try using this new tool. I have tried turning off using both the Option and shift keys and turning on without success. Stellar Data Recovery Professional for Mac Stellar Data Recovery for Mac program performs safe. 1 custom firmware without geting any 16xx errors during restore. ←3 Easy Ways To Recover Wi-Fi Password From All iPhone Devices [Video] How to Use iMessage with Screen Effect in iOS 10 on iPhone/iPad →. itunes fix free download - Apple iTunes, Apple iTunes, Free Registry Fix, and many more programs. The program can only convert DRM-protected files on an authorized computer. Due to the fact that your operating system is for some reason missing a critical. It's possible that synchronous session can't start on device, or you may be running an older version of iTunes. You can't restore to that firmware as Apple is no longer signing it. If iTunes isn’t listed, click Browse and then go to the iTunes program, which is in C:\Program Files\iTunes\. It's also good to clean your device's bottom part where the cable connects every once i. Switch the cable to a Made for Apple one. heyy use ireb rc 6 for dfu mode and then open itunes and restore the firmware from there…worked for me seriously i was so sad bfore bt now it worked. Kevin Walker is a senior editor who specialize in iOS products, has helped millions of people by sharing useful iOS tips and tricks. What’s more is that once you start getting this error, it appears repeatedly. Once you having the problem of iTunes error, you could try to install the latest version of iTunes and try to update or restore again. Your computer should also run faster and smoother after using this software. All you have to do is to plug in your device to your computer, launch iTunes and then click on the Update button from the Summary tab. Tunescare will repair the corrupted iTunes library automatically. Click "Repair iTunes" to start downloading iTunes drives for repairing. You may have to register before you can post: click the register link above to proceed. If you will try to restore using recovery mode. com who has a keen eye for news, rumors and all the unusual stuff that happens around Apple products. Now, the screen gets turn on and off on the. For instance, a faulty application, itunes. Having problem with iTunes error 3004 while upgrading or restoring your iPhone 7/7 Plus/6s/6/5s/5 and iPad, iPod? Here are top 5 ways to fix it. You can contact Apple Support for further assistance. Fixing the disabled iPhone isn't always as simple as outlined. It is the only official medium by Apple using which the users can sync their Apple Device to their Windows PC. Repair iOS system with all your files are well-arranged. Part of Windows 10 20H1 development branch Microsoft has released a new Windows 10 Build 19013. We are committed to delivering one-stop services covering Sourcing Solution, Technical Support Solution as well as Recycle & Resell Solution. Although he has a background in finance and holds an MBA, Vikas Shukla is a technology reporter. If this junk isn’t periodically cleaned out, iTunes respond slowly or provides a message “53 error”, maybe due to file conflicts or an overburdened hard drive. Errors 16xx Error 1600. I finally got mine to work after days of trying everything. For the first method, we're going to focus on Windows computers. Fix common iOS system problems by yourself at home with no data loss. 1 Released, Fixes iTunes 16xx Errors While Restoring To Custom IPSW by dkszone · Published February 21, 2011 · Updated April 28, 2012 The recently released Sn0wbreeze 2. iPad baseband won't work for whited00r unlocked You need to downgrade the baseband while on 4. Download macOS Catalina for an all‑new entertainment experience. DO that, reboot your computer and try again. It will diagnose your damaged PC. How To Fix iPhone Error 3194 from iTunes during iPhone Restore - 3194 Fix for iPhone and iPod Touch. Work for iMobie team for 5 years as well as an Apple fan, love to help more users solve various types of iOS or Android related issues. Stellar Data Recovery Professional for Mac Stellar Data Recovery for Mac program performs safe. However, the picture is fix check your ram with memtest iphone dfu mode without the card in place. Os traigo un videotutorial para solucionar el ERROR 3194 de itunes, para restaurar nuestro dispositivo. Fix iTunes Error 21 While Restoring iPhone / iPod touch. Microsoft has launched Home windows 10 with tons of handsome options resembling new process view, Snap Help and so on. If your iPhone just boots to "Please connect to iTunes" all the time This is an issue that I had. Learn how to remove and reinstall iTunes and other software components for Windows Vista or later. Here, use the dates to determine which folder is the backup you want to restore from. There are many reasons why Fix Error 2002 Ipad happen, including having malware, spyware, or programs not installing properly. iOS System Recovery Repair various iOS system errors back to normal status. Support almost all iOS device like iPhone X, iPhone 8 Plus/8/7 Plus/7/SE/6s Plus/6s/5s/5c/5, iPad Pro/Air/mini, etc. Your computer should also run faster and smoother after using this software. Repair of this device is straightforward, and requires screwdrivers, prying tools, and patience. Then download and save iTunes to the Desktop > then right click > select Run as Administrator to install. this is the best way to fix ur iphone. They did before. Now release only the Power button. Read this post to get 5 tips to Fix "iTunes 12. You can only upload files of type PNG, JPG, or JPEG. 166 I just got a new iPhone 7 and set it up as a new phone, but it wouldn’t sync from the iTunes for PC library. During Jailbreaking iOS 4. Get connected to our technicians at**iTunes Technical Support Number +1-800-608-5461** to fix all your problems related to iPhone by grabbing the most optimized solution from our technicians. 7 on your windows computer, an error popped up. Your 16xx errors are gone. Fix 7: Use a backup alternative. Download iReb Here: http://hotfile. The iOS system recovery software works independently without using the official iTunes software. com, A detail in iOS has been that. Start iTunes. You need to put the devices into the DFU mode and make sure that iTunes will identify the device and will prompt to restore the device. This will remove and re-create the file that iTunes Match and iTunes Genius uses and remove the problem. Stellar Data Recovery Professional for Mac Stellar Data Recovery for Mac program performs safe. Featured iTunes Errors free downloads and reviews. But now with the help of the Fix recovery, it will not bother you again. Now I think I remember what the passcode could have been. 0 is an application available recently, with 1. Make sure iTunes is up to date. iREB a small handy utility for Windows and Mac that can solve the mistakes "16xx" and "21″ from iTunes that are displayed after a reset or a firmware downgrade. TunesFix is an advanced iTunes repair tool that quickly fixes iTunes connect issues, restore/backup errors, install errors and 100+ problems, just in one click. If you're on a Mac: Launch iTunes from the Dock, LaunchPad, or via Spotlight. Take a look at how you can fix the issue. Aside from that, have you checked the data port on the device to see if it has any missing/broken/corroded connectors?. Click "System Recovery" in the main window of Fix Recovery and do what it tells you to do to fix the operating system. And so the ARKit measure will allow the user to measure the size of all objects, so that now only with the iOS device. Method 1: Fix iPhone Stuck on 'Connect to iTunes Screen' by Restarting it. Reimage - a patented specialized Windows repair program. They did before. Select on Back Up Now. Please upload a file larger than 100x100 pixels; We are experiencing some problems, please try again. Learn how to get rid of this error immediately. How to Update iTunes Software. Select Uninstall from the middle left menu and select iTunes. iTunes Sync Error –39 usually occurs when you try to sync your iPhone to iTunes over Mac and Windows. The release of iTunes as a Windows Store app was a largely welcome move by Apple. Apple's support page for specific errors on iTunes isn't all that helpful. Select “Run as Administrator“. If you have one, search the forums! If you have one, search the forums! There are thousands of answers to that. iREB is developed by iH8sn0w, and today he released a new update for iREB. If you're on a Mac: Launch iTunes from the Dock, LaunchPad, or via Spotlight. You can try to relaunch iTunes and reconnect your iPhone and then tap Trust when prompted. Apr 30,2019 17:17 pm / Post By Kevin to Repair iTunes. 1 untethered. Restore your iDevices with TunesKit iOS System Recovery, because it can restore your devices without data loss. For Advertisement, Review of your Website/Blog, Products or Services, Press Release or any other queries, feel free to Contact Us. Fortunately, there is an third-party tool, like Syncios Mobile Manager , which hepls you transfer music, videos, photos, contacts, messages, apps, etc between iPhone/iPad/iPod and computer easily. Unanswered Apple iTunes questions & open problems. Upload failed. hi, i really hope someone out there can help, as this is sending me loopy!i have contacted itunes 5 times, they didnt reply the first 4 times, they replied last. Take a look at how you can fix the issue. On your iOS device, Settings > [your name] > iTunes & App Store and Sign Out. Most employees on average spend 1-2 hours per day in meetings. HowToiSolve. ipsw file and restore it. Step 1: Once you install the software, launch it and hit ‘Unlock’ tab among the options available on the main screen. RecoveryFix 1. 'I am staggered despite my own research': Jeff Astle's daughter says ex-footballers who suffer from dementia 'must not be a statistic' after new study says they are THREE times more likely to die. In some cases, there are chances to fix this issue after removing iTunes and its related software. From here, you'll need to force restart your iPhone: 3. Let's get it started!. iTunes Connect. On Mac, open App Store (Store > Sign Out) and iTunes (Account > Sign Out) and then sign out and then sign in. Tips To Hire A Freelance Software Developer For The First Time? How Augmented Reality Is Transforming the Face of ECommerce Industry? Machine Vision Inspection System and Its Manufacturers. Fix 2 – Reinstall. MacRumors attracts a broad audience of both consumers and professionals interested in the latest technologies and products. The iOS system recovery software works independently without using the official iTunes software. How to Update iTunes Software. This repair tool will locate, identify, and fix thousands of Windows errors. We receive affiliate commissions from the official companies at no additional cost to you. Common restore errors in iTunes and how to resolve them Activation Error: how running an old iOS 7 beta version will get you in trouble How to Downgrade iTunes and Fix the “iTunes Library. If the advice already given does not fix it, please contact Apple Support for further assistance. During that process the software gets patched and the custom firmware should run without any problems. Now, reconnect your device back to your computer. 1 via redsn0w. Click "Repair iTunes" to start downloading iTunes drives for repairing. wikiHow's Content Management Team carefully monitors the work from our editorial staff to ensure that each article meets our high quality standards. fone will start scanning the device automatically. Once you having the problem of iTunes error, you could try to install the latest version of iTunes and try to update or restore again. You can't restore to that firmware as Apple is no longer signing it. 4 should work with iOS 9 devices. Restart your iPhone and computer. Sửa Lỗi 1600 1602 1601 1603 1604 1618 1644 1667 16xx Restore. What you need to do depends on your operating system. When you get a message asking you to restore your system and you click "restore". iTunes will now restore your device to iOS 4. Connected to iTunes in Windows 10 again, iTunes gave message that iPad was in recovery mode, asked to restore. I have tried turning off using both the Option and shift keys and turning on without success. And they've both been effective solutions at fixing iTunes download errors. If number #3 does not help, now you may want to contact iTunes support. Connected to iTunes in MacBook, restore failed again. If you are on a Windows PC, try the following to fix the iTunes cannot sync error: Click on the Start button and open Control Panel Now go to Hardware and Sound and open the Device Manager. iREB: Utility To Fix 16xx and 21 iTunes Errors After a Restore/Downgrade iH8sn0w has just released iREB a new program for Windows and Mac that can solve the mistakes “16xx” and “21” from iTunes that are displayed after a reset or a firmware downgrade. He told my friend that he attempted to unlock it and was not successful. Now release only the Power button. Ta da! See image 7.