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Download AppSync 4.2 to Install Cracked Apps on iOS 4.2

Once you have jailbreaked iOS 4.2 on your iPhone, iPod Touch or iPad, you must install AppSync OS 4.2 to install cracked apps on your device. AppSync 4.2 will help you to sync all cracked apps on your device with iTunes by patching the MobileInstallation file on your device otherwise iTunes will automatically delete all cracked apps from your device whenever you will sync it with your computer.

IMPORTANT UPDATE: Hackulous is now officially gone, so you won't be able to download AppSync from the repository anymore. As an alternative, you can use other Cydia repos to download AppSync from: (Best Cydia Repos 2011, Best Cydia Repos 2012, Best Cydia Repos 2013)

Steps to Install AppSync 4.2 to Install Cracked Apps on iOS 4.2:

To install AppSync 4.2 on your device, follow the step-by-step guide below:

  1. Open Cydia on your jailbroken iDevice.
  2. AppSync 4.2 for iOS 4.2

  3. Tap on the Manage tab at the bottom followed by tap on Sources section
  4. AppSync 4.2 for iOS 4.2

  5. Now tap on the Edit button on the top-right of Cydia and then tap on the Add button on the top-right. Enter as Cydia/APT URL.
  6. AppSync 4.2 for iOS 4.2

  7. Tap on Add Source button followed by Add Anyway button to accept the Source Warning message.
  8. AppSync 4.2 for iOS 4.2

  9. Now wait while Cydia downloads and updates its repository list
  10. AppSync 4.2 for iOS 4.2

  11. Once you are done with adding repo, click on the Search tab at the bottom and type AppSync for OS 4.2 in the search field.
  12. AppSync 4.2 for iOS 4.2

  13. Tap on Install button on the top-right to install AppSync 4.2 on your device.
  14. AppSync 4.2 for iOS 4.2

  15. Thats it! Once you are done, restart your device to complete the installation.

Note that AppSync 4.2 not only allows you to sync cracked apps with your PC but also allows you to bypass most of the installation errors which you may encounter while installing the jailbroken apps. Errors like Corrupted IPA or Unsigned Application can be easily bypassed by installing AppSync to your device.

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    mark1238 years, 5 months ago

    if the is dead you can try this 100% work

      Luce8 years, 2 months ago


        AileoZ6 years, 11 months ago

        Not working. It just brings AppSync for OS 3.1.x:/

    Roberto8 years, 9 months ago

    When I try to add I get an error message saying that it can’t find any server with the specified name… Now what?

      Patrick Gumban8 years, 9 months ago

      Hi, Hackulous is now gone for good thus the error message. :\

        Roberto8 years, 9 months ago

        So, how can I install Appsync, or how can I install cracked apps on my iphone now?

    Shahkarshahin9 years, 9 months ago

    what should id o cant sync my apps on itunes i reenstalled instalous i re installed appsync …….

    but still when syncing gives errors that files cannot be copied beacuaese there not valid

    Shahkarshahin9 years, 9 months ago

    dude there is no 4.2 version in hackulos 

      Pesmerga9 years, 9 months ago


      Just install the Appsync for 4.0+ version..

    Fc10 years, 6 months ago

    I wish I could send u a pic of what is happening with my IOS device I do that and search appsync or go to sources then go into that sorce I added go down to the A’s and alway see apync for appsync 4.1 I’m running greenposi0n unthreated for iPhone 3Gs can u help or send a link to download I’ll us ifile to install it thanks any questions u have email me at fckiller94 [at] thanks

      Wolverine10 years, 6 months ago

      Just add Hackulous repo using the above procedure and install “AppSync for 4.0+”. It is valid for all iOS’s above iOS 4.0. Cheers!