Obviously not... but since when did checksums mattered ?
If it did nobody could have hacked/customized system files.
As long as classes/functions/methods are there just grab one of them either for dual or single sim (as long as you keep the version)
XDA Developers was founded by developers, for developers. It is now a valuable resource for people who want to make the most of their mobile devices, from customizing the look and feel to adding new functionality. Are you a developer?