I got this device in 2015 for my dad and since then it has been working fine. Although the processor is less powerful and the RAM is less yet its great for day to day tasks.
The major advantage with the device is that it being a mid-ranger from Samsung back then, Samsung didn’t skip any sensors and hence it even comes with a Gyroscope sensor.
The display is super AMOLED which enhances the viewing experience and being 4.8 inches, its great for single handed usage.
The camera is awesome and far better than most other devices in the range.
The battery life is average and not exceptional although acceptable.
Overall, the S3 neo is a great device.