I guess it has become an episode of "how do I recreate this original file" more than anything being "wrong" per se. Let me illustrate it better. Here's the zipinfo -v of the classes.dex files inside a framework.jar - they are created with this "metadata" Central directory entry #53: --------------------------- classes5.dex offset of local header from start of archive: 39838572 (00000000025FE36Ch) bytes file system or operating system of origin: Unix version of encoding software: 2.0 minimum file...
Zip 2.0?