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Eh there is no check firmware button?
I can check for presets, find my setting based on model and carrier and then just hit OK

Here is another link, SamMobile, to the latest Meteor, XWLP7, firmware. Takes a little longer to download... about 2 pints of Guinness, long.
Hotfile.com: One click file hosting: I9100XWLP7_I9100METLP4_MET.zip