It's probably small bits & bobs placed to please this and that opertor. Probably best way would be to get the tools to make an image and use them to open those .bin and compare them
And this is total ********, there is no version or variant name number checks (although variants are usually generated in descending order so those timestamps make it seem that there is variant name check). <SNIP> And even that check can be bypassed, so if you ever happen to visit Tampere (or see me in some Qt/Sailfish conference) and really want 001 on your device, it can be arranged . And sorry, NO, before people ask, I'm not sharing how to do the bypass.