WOWOW, My EverySIM from www.everysim.com works after upgrading to 1.1.3 from the guide at http://www.modmyifone.com. But I guess other SIMs work as well as it doesn't touch your baseband. It keeps the baseband the same as 1.1.1 or 1.1.2 depends on which version you are upgrading from.

