[Q] Where can I update S5830M?

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http://forum.xda-developers.com – I was looking for update in samsung site then I find that the versions in the site are different then mine. In samsung brazilian site galaxy ace is S5830B and in chilen site is S5830L. I did buy in Chile this phone and now im in Brazil but my phone is S5830M I want to use official update to this phone and I dont know where is the correct place to download it Im now with samsung phones then dont know if one software update all the phones like sony ericsson old phones tnx so much with any information (HowTos)