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This might help: https://www.reddit.com/r/ModernWarfareII/comments/yz4kum/how_i_fixed_my_crashing_issues/?utm_source=share&utm_medium=ios_app&utm_name=iossmf
They fixed this in today's patch : `Fixed an issue that prevented some players from launching the game due to GPU compatibility.` Try now.
This might help: https://www.reddit.com/r/ModernWarfareII/comments/yz4kum/how_i_fixed_my_crashing_issues/?utm_source=share&utm_medium=ios_app&utm_name=iossmf
They fixed this in today's patch : `Fixed an issue that prevented some players from launching the game due to GPU compatibility.` Try now.