There are many choices when it comes choosing the best microSD cards for Android phones, drones, and dash cams. It can be difficult to choose the right microSD card for you device, given the variety of options available, including different classifications, capacities and applications. Although terms like A1, high-endurance, and UHS-I Speed Grade 3 are used to distinguish microSD cards from each other, they may not be very useful for the average consumer.