AppSync 4.2 now available in Cydia for jailbroken iOS 4.2.1 devices and now you can install cracked apps on your jailbroken iOS 4.2.1 Via AppSync…..
AppSync is now available for iOS 4.2.1. It lets you install cracked apps on iOS 4.2.1 firmware by patching the MobileInstallation file on iOS 4.2.1. Once you have installed AppSync iOS 4.2 on your iDevice running jailbroken iOS 4.2.1, you’ll be able to install cracked apps (.IPA) on your iDevice without using iTunes.Your device must be jailbroken on iOS 4.2.1.
How To Install AppSynch 4.2 On iOS 4.2.1 Devices :
Step 1: Start “Cydia” on your iPhone.
Step 2: Touch on “Manage” tab on the bottom.
Step 3: Now touch on “Sources”.
Step 4: Touch on “Edit”, and then on “Add”.Type “http://cydia.hackulo.us” and click on“Add Source”.Cydia will now automatically update your sources by following a series of automated steps.
Step 5: After installation is completed. Search for “AppSync for OS 4.2” in Cydia and install this application. This app will automatically patch MobileInstallation file on your iPhone, iPad or iPod touch running firmware 4.2.1.You should now be able to install .ipa files manually on your iOS device running firmware 4.2.1.