What role did Simon's friends play in his smartphone purchase decision?

Simon's friends encouraged him to buy the smartphone, which indicates that they played a positive and supportive role in his decision-making process. This suggests they may have influenced him by highlighting the benefits of the smartphone or expressing their approval of it, leading him to feel more confident about his purchase. Their encouragement could stem from their own experiences with the smartphone, recommendations based on its features, or simply a desire to help him make a choice that they believed would be beneficial or enjoyable for him. This response reflects a cooperative and affirming dynamic in Simon's social circle regarding the choice to invest in the smartphone.