Why does my help ah sync ipa installation failed on ipad

Own use flash CS5 written ipa but also brought examples of experiments have authorization certificate and password but also a good compiler generates synchronized to the ipad on the installation fails, this is what why ah? ? ? ? ? ? ipad jailbreak 5.1.1 version is not a certificate is to take a friend that he bought
Reply:
Mounting itools or synchronization assistant
Reply:
Is to use iTunes to synchronize go before a failed installation tips
Reply:
Of course not escape the machine can not install ipa, unless you have the Apple developer account, and add your device to debug on-device debugging
Reply:
Upstairs say is right, you asked yesterday posted it, not a developer certificate can be installed, but also the developer certificate which has uuid your device. If you are just learning, I suggest you jailbreak tested.