The One Plan The One is a phrase that means “the ultimate” or “the best.” It is a phrase that people commonly use in reference to their ideal partner or job. In terms of mobile phone plans, The One plan is what 3 calls their best and ultimate contract package. If you want a contract plan that you will have no complaints about, a 3 mobile 1 plan is most definitely what you need.

A Three One plan is offered with all types of mobile phones that 3 has at the moment. You can get a Nokia, Samsung, Sony Ericsson, LG, HTC, or Blackberry. The network also has 3 mobile 1 plan offers for those who are interested in sim only deals.