When Margarita Medina buys a SIM card from Boost Mobile from Target, it doesn't work on her phone. Now she wants her $50 back. Can she get it?

Boost Mobile is back, but how does it stack up against AT&T, T-Mobile, and Verizon? Spoiler: On both speed and reliability, I was impressed. I’m one of PCMag’s mobile analysts. That means I check out ...