APN

DoCoMo
APN: mopera.net
Username: blank
Password: blank

Softbank
APN: softbank
Username: ai@softbank
Password: softbank

Emobile
APN: emb.ne.jp
Username: em
Password: em

b-mobile
APN: dm.jplat.net
Username: bmobile@l3.jplat.net
Password: bmobile