The M9 shifts the M8's 4MP UltraPixel camera sensor to the front, replacing it with a more rudimentary 20.7 MP shooter, which puts the phone more in line with what we've come to expect from other expensive smartphones. (mobilesyrup.com)
HTC went back to the 4MP UltraPixel camera for the front - facing camera (FFC) for selfies and video chatting. (androidheadlines.com)
Moreover, it had suggested the presence of laser autofocus technology along with the phase detection autofocus (PDAF) lens and OIS as well as a 5 - megapixel UltraPixel front camera sensor. (techone3.in)