SIMs

Ultra Mobile and AT&T Prepaid Plan Sim Cards for all phone Models

Ultra Mobile and AT&T Prepaid Plan Sim Cards comes with Standard, Micro and Nano SIM card size. SIM cards comes with all in one, you can select the size you need and your phone will work great with any of our Ultra Mobile Plan or AT&T Prepaid Plan.

If you have a phone that takes a nano SIM, press the smallest size card out of the SIM card holder, and put that in your phone. Micro SIM compatible with majority of newer mobile phones and smartphones. Nano SIM compatible with every iPhone variant. If you have a phone that takes a micro SIM, press the medium size card out of the SIM card holder, and place that in your phone.

As far as function, there is no difference between SIM cards. The only real difference is the size.