samsung galaxy s i9000 update and messaging problems


Jan 1, 2013
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my current miui version is 1.11.4.......and i see on this website are already 2.12.28/29......is that normal??? i already click 'check for update' button but it said i got the latest version. on messaging part i tried to message people with my other sims but it wont work i wonder whats wrong with that......can someone please help me on how to solve this (btw im still new to this os)