fack xcode and ipad

我的ipad装不了ipa,, xcode连接ipad后hello world都不起来。

http://stackoverflow.com/questions/26032085/xcode-6-process-launch-failed-timed-out-trying-to-launch-app

http://stackoverflow.com/questions/20672448/app-stuck-on-installing-ipa-from-itunes#

http://stackoverflow.com/questions/22683419/xcode-5-could-not-launch-process-launch-failed-timed-out-waiting-for-app-to-la

ios越狱工具 http://pangu.io

ios降级教程：
http://iphone.tgbus.com/tutorial/use/201509/20150917103114.shtml
http://jingyan.baidu.com/article/e3c78d644c7eed3c4c85f529.html