These sub-S$400 phones may be affordable, but they still rock some premium features for budget-savvy buyers. This article contains affiliate links. If you buy through these links, we may earn a small commission. Many budget phones are credible, capable mobile devices for buyers on a budget, or those seeking a phone for their kids. Today’s cheap phones are more capable than their price tags suggest. Features like AMOLED displays, 5G connectivity, high-capacity batteries and high-speed charging –