Since June 2016, when Apple asked the app to be compatible with IPV6, many apps were rejected for this reason during the audit, introducing a Mac ( IPv6 dns64/nat64 network that leverages two iphones and an OS X10.11 This feature is a new addition to OS X 10.11 )
First step: Connect iphone and Mac via data cable
Step Two: Open your iphone's personal hotspot and select Bluetooth only and USB
Select USB Only
Step three: Turn on network preferences to make sure that your Mac's Wi-Fi is turned on and not connected to any network
Need to have connected Wi-Fi before you can delete the networked cache in advanced
Fourth Step: Open System Preferences, press and hold the option (ALT) key to click Share
The IPV6 option does not appear if you do not hold down the option key
Fifth step: Choose iphone USB-Wi-Fi-Create NAT64
If the Create NAT64 network does not appear, repeat the fourth step
Sixth step: Select the Wi-Fi option in the lower right corner, you can set the password or do not set the password
Don't forget to check the option on the left, otherwise it won't turn on sharing, show Internet sharing: Open Representative operation succeeded
Tick Internet Sharing
Use your other iphone to link the IPV6 test network created by your Mac
If the DNS front address is 200 and the middle is in: interval, it means that IPV6 is successful and you can test whether your app is available in the IPV6 environment
How to test if the app is compatible IPV6