The author discusses the trade-offs between using 5G and LTE on iPhones, particularly focusing on battery life and performance. They reference a previous study that highlighted LTE's advantages in saving battery life compared to 5G when streaming videos. The author reflects on their own switch back to LTE and the reasons for it, while acknowledging situations where 5G may be more beneficial, like tethering or crowded areas. Overall, they advocate for using LTE for everyday use unless specific conditions warrant switching to 5G.