The bigger the screen size is, the better the user experience.
Samsung Galaxy J Max: 7"
Nokia 808 Pureview: 41MP
Razer Phone: 8GB
1440 x 2960px
Sony Xperia XZ Premium: 2160 x 3840px
8. front camera megapixels
Vivo V7: 24MP
9. has an external memory slot
The device has a standard memory slot (such as an SD or micro SD card slot) so that you can either extend the internal storage with affordable memory modules or you can retrieve data, such as photographs, easily from a memory card.
Optical image stabilization uses gyroscopic sensors to detect the vibrations of the camera. The lens adjusts the optical path accordingly, ensuring that any type of motion blur is corrected before the sensor captures the image.