Conclusion:- good if you want to use it in a dumbphone, or with a phone compatible with T-Mobile network, or on a iPhone in slow-motion mode- to take full benefit of an iPhone or iPad, it's better to use an AT&T SIM card (or MVNO using AT&T's network)

Any phone that needs a micro sim card will work wonderful with this

simple to use and has an affordable phone plan

so I can check out if my phone is ready to go with other cell phone companyAlso want to try it on the sim cutter I got before I use my over sea sim card on it

I got this for Cheap, 70 cents and use it for the trick to get iphones to show the needed info to change to get Data/MMS working on Straight Talk form a AT&T unlocked phone.

If you want a cheaper phone bill this is how you do it.

4 and 4s.only thing that some people need to understand is that simple mobile support android phones better than iphone (internet and 4