Samsung A680 Menus & Codes

Hi, I live in Canada and I have the Samsung A680 & the Samsung A600. I see everyone on here talking about codes for there phones. Are there any for my phone? Is there a link to these codes? Also whats this about GPS, does my phone have it? Anyone have this phone??? Thanks

Hi just checking back to see if anyone knows anything about the a680 and there menus.... GPS and all that stuff for this phone.... does not seem to work like older models, anyone?