Can a SIM smart watch replace my phone?
Short answer: A smartwatch with SIM card and camera can make calls, send messages, run apps, and capture photos without a paired smartphone — but only under specific conditions: compatible 4G LTE bands, active data plan, stable Android OS support, and realistic expectations about battery life (typically 1–2 days with . The Samsung Galaxy Watch 8 is our top pick, offering a wide array of apps, connectivity features, detailed health and sleep tracking, and even AI-based coaching for running and sleep. But it isn’t the only Android watch we recommend.Smartwatches are designed to be multifunctional, but let’s face it: they’re not as efficient as other devices. While they can track your steps, monitor your heart rate, make calls, and show notifications, they often fall short when compared to smartphones or even specialized devices like fitness trackers.The Apple Watch Series 11 is my favorite for iPhone owners, but Google’s Pixel Watch 4 is the best smartwatch for Android users. I also like several other options—in various styles and with different levels of smarts. Below is a roundup of the best smartwatches I’ve tested.