Patent ID: 8812836

Claim:
A method for use in wireless communication by a wireless transmit/receive unit (WTRU), the method comprising: the WTRU receiving a first keyset, a second keyset, and an initial connectivity operator identifier from a trustworthy physical unit manufacturer, wherein the first keyset and the second keyset are not a same keyset; the WTRU establishing a connection with an initial connectivity operator using the first keyset and the initial connectivity operator identifier; the WTRU receiving a first subscriber identifier from the initial connectivity operator, wherein the first subscriber identifier is associated with a first selected home operator, and wherein the first subscriber identifier is newly identified by the first selected home operator after the WTRU is registered with the first selected home operator; the WTRU creating an association within the WTRU, after receiving the first keyset, the second keyset, the initial connectivity operator identifier, and the first subscriber identifier, between the first subscriber identifier and the second keyset; and the WTRU establishing, after receiving the first keyset, the second keyset, and the initial connectivity operator identifier, an operational network attachment with the first selected home operator using the first subscriber identifier and the second keyset.