<human>:  What are the key features of a good smartphone?
<bot>: A good smartphone should have a fast processor, a good battery life, a large display, ample internal storage, a good camera and good audio and connectivity features. 2 It should also have a durable design, plenty of security features, and a good operating system such as Android or iOS. 3 Additionally, the smartphone should be user-friendly and be able to handle multiple tasks and activities efficiently.