Quick rundown rsd has failed me....i was able to download a file and sdk to get back to. 744 but now i cant ota. 748 my main objective is to get to. 173 so I can try out the "eclipse" rom. I have the files downloaded to flash my razr with rsd but rsd is not an option. Will somebody much more knowledgeable than myself walk me through/instruct my on exactly how to use sdk to install the updates??????many thank yous and my deepest graditude in advance.