Complex sentence: In 2017, a smartphone company released a smartphone with dual front lenses for selfie with bokeh, first 20 MP lens uses 1/2.78 sensor with f/2.0 aperture, while second 8 MP f/2.0 lens captures depth information.
Split into simpler sentences: In 2017, a smartphone company released a smartphone with dual front lenses for selfies with bokeh. The first, a 20 MP lens, uses a 1/2.78 sensor with f/2.0 aperture, while the second, an 8 MP f/2.0 lens, captures depth information.