Simple Mobile runs off T-Mobile HSPA+. So it will work with a Verizon iPhone 5 out of the box or an unlocked AT&T iPhone5. Don't expect to actually see 3g/4g unless your area has been farmed with the 1900 MHz spectrum. #2 I bought an unlocked iPhone 5 and been using Straight Talk with no issues. You can get the $45 unlimited plan+Sim Kit (You get to choose between ATT or T-mobile) from Walmart for about $60. Just make sure you have the right tool to cut the SIM into a nano one. Data won't work immediately after you pop in your sim.
Are you sick and tired of telecommunications companies having a point out over which network supplier you obtain to use and how? Properly, you're not only in your frustration. For illustration, if you have a Testosterone levels Mobile phone iPhone and you desire to switch to a various provider because of bad system, you have got to jump through tremendous hoops to perform therefore. This will be because network providers secure your SIMs under contract for about 2 decades or actually more so that they can preserve more users.