If you have to call customer service, T-Mobile is your best bet
(Android Central)

Best answer: T-Mobile takes the lead in customer care satisfaction while Consumer Cellular and Xfinity Mobile lead for MVNOs. Tons of data and the biggest 5G network: T-Mobile Magenta (From $70/mo. at T-Mobile) Simple and affordable: Consumer Cellular (From $15/mo. at Consumer Cellular) T-Mobile takes first place There`s never going to be a perfect wireless carrier for everyone but for most people, T-Mobile seems to be getting it right. J.D. Power ranks T-Mobile highest compared to Verizon, AT&T, and Sprint in its 2020 U.S. Wireless Customer Care Full-Service Performance Study. It`s worth noting that this report came out before T-Mobile purchased Sprint and Sprint results were tracked separately. While not directly about customer service, Consumer Reports and the American Customer Satisfaction Index (ACSI) also named T-Mobile highest in overall customer satisfaction. It`s certainly possible to get great customer service with another provider but this year, T-Mobile stands ...