Apparatus and methods for distributing electronic access client modules for use with electronic devices. In one embodiment, the access client modules are virtual subscriber identity modules (VSIMs) that can be downloaded from online services for use with cellular-equipped devices such as smartphones. The online services may include a point of sale (POS) system that sells electronic devices to users. A broker may be used to facilitate the selection of a virtual subscriber identity module. A provisioning service may also be used to provision the selected VSIM.