If the above methods fail, the most reliable solution is to modify the game's verification file so it stops looking for a license entirely. This involves editing a file called patch1040.xml.
Warning: This method involves modifying game files. Always back up your data before proceeding. modern combat 4 invalid license fix
Since iOS removed 32-bit support entirely (iOS 11+), the game is officially dead on modern iPhones unless you have a jailbroken device on iOS 10. This guide focuses on Android, where there is still hope. If the above methods fail, the most reliable
This exploits a timing bug in the game’s code. If the game cannot reach the server, it defaults to "Licensed" after a specific timeout. If the above methods fail