What country is my Motorola MILESTONE from? Can I install a Froyo update from Motorola Droid on it?

I bought it at Amazon.com, and had it delivered to a friend's house in Massachusetts. I flew to the US, visit my friend, did some tourism, and brought the phone back with me to Brazil, where I put in my GSM chip and it works just fine. Here is the phone info: - Model number: Milestone - Firmware version: 2.1-update1 - Firmware configuration version: GAS_EMEA_USASHLS00RTINT_P012 The box says: SM,A853,TR,RETAIL,LICBRZ So, I should be waiting for an update for what? Europe, like it says in this thread ? Or Latin America? Or can I get 2.2 safely from somewhere else? The software looks pretty American to me. What if I follow the instructions from this site ? Do I risk bricking my phone?