Helio offers a “Total Happiness Guarantee” which says that if you don’t like their phone or service for any reason you can return it within 30 days for your money back, no questions asked. However, their customer service staff is poorly trained and could try to tell you don’t get sales tax refunded, blogs LifeClever. It’s also going to take at least four months for the refund to process, he found, along with other annoying fun plot points.