This was an early X-mas gift for a youth who is becoming more independent step-by-step. We all agreed (the recipient included) that smart-phones are a terrible distraction to adults and youths alike. The main point is communication and safety. The Rugby fits the bill perfectly. Voice calls are clear and reception is strong.
https://www.amazon.com/Samsung-Rugby-Unlocked-Rugged-Durable/dp/B01AKUS164