This PDF file contains detailed information about the main board of Nokia N73, along with Assembly and disassembly guides. This helped me a lot when i did the Lamborghini Mod. This is important if you're planing to change faceplates , change internal components or to do a hardware cleanup, as disassembling the Nokia N73 is a bit tricky. This guide is made for the use by Nokia care folks, so its safe to follow instructions in this.