Restore your iphone 3G from ERROR 1015 (or update it) PART 2 —- FROM IOS 3.xxx to 4.2.1

Any questions to my email eduardopaz.pe@gmail.com release the iphone to any operator

Here I put the links, you need the latest version of itunes as of April 19, 2012 For redsnow
http://www.iphoneworld.ca/news/2010/12/04/download-redsn0w-0-9-6b6-iphone-jailbreak-now-with-sam-support-windows-mac/

For firmware- Restore
http://www.iclarified.com/entry/index.php?enid=750
(You have to choose on the page the version that is for the iphone 3g and the numbers osn the 4.2.1, as I show in the video) For the firmware- Custom Restore
http://www.4shared.com/file/wUb0pj9d/iphone12_421_8c148_custom_rest.html .