He Oppo F31 Pro 5G offers a balanced package of style, a strong battery, smooth performance, and a practical design, making it a strong contender in the mid-range market. It features a durable build, a powerful battery, and reliable cameras, though the ultra-wide lens is an average component, and the phone is relatively heavy. The design is luxurious and sturdy with a large, distinctive camera array, and the phone provides excellent long-term usability and performance thanks to its extensive durability and fluency tests.