APP Store Tip can't complete purchase specific method
1 Our easiest way is to restart the phone, this solution can be said to be omnipotent many problems we can restart the iphone to achieve.
2 cancellation of the account, and sometimes the Apple ID account problem, we can log off after the restart login to see.
3 Restore the network settings, this network problem is also whether the App store often not open or use one of the reasons for error, we change in the 4G look.
4 Set up the DNS can be
The first step, click on the WiFi icon in the upper right corner, open the network preferences, the effect shown below (or point to the top left Apple Logo, open System Preferences, including a network):
2. Click on the above image button and switch to the DNS tab, click the + button, input 220.127.116.11, click Good and save settings, and then download or update to try, should be able to.