[ubuntu_mobile] How to install?

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http://ubuntuforums.org – I can probably (mabey) get it on my own, but some experienced help would be nice. I have an LG800G and I absolutely hate the java everything OS that barely works on it. I Want something useful, not bred from a goats butt. Poor goat. But that brings me to the important part, would I lose my service? Would putting the SIM card in give me my service and minutes back? WAT DO :confused: (Hardware)