①, because the following is the use of computer +itunes software to recover, so itunes will empty the software, where we need to back up the data.
②, this method is suitable for operations when the latest iOS 7.1.2 system validation is not closed.
1. Go to Baidu or Apple to search for the iOS7.1.2 official version of the IPad air
2. Also open itunes on your computer after you connect the ipad Air to your computer (make sure that the itunes software is the latest version oh, it may not recover)
3. After you open the itunes and iphone in your computer, we press Shift on the keyboard (up button) + left mouse button click on the itunes update function/restore function details as follows.
4. Then in the Open Select Download File window, we clicked on the download of the relative firmware--click Update--Waiting for itunes to run.
5. This process will take some time, but generally 10 minutes is good, because no need to download the iOS file, so after the update, we will be in the Apple ipad Air data activation on it.