There is no one perfect Xylo model, but the entry-level models are a good place to start. These devices typically include 8GB of storage and come with 512MB of RAM. They also have low cost upfront and generally offer reasonable prices for data plans that can be upgraded over time. The higher end models tend to offer more features and longer battery life, but they may also be more expensive. It's important to determine your needs before making a purchase decision so that you get the best possible device for your needs.