The bigger the screen size is, the better the user experience.
Samsung Galaxy J Max: 7"
Razer Phone: 8GB
Nokia 808 Pureview: 41MP
480 x 800px
Sony Xperia XZ Premium: 2160 x 3840px
7. front camera megapixels
Vivo V7: 24MP
8. 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.
84% have it
Garmin Vivosmart 3 (large): 21.5g
Asus Zenfone AR 64GB: 4.6mm
11. has a removable battery
The battery is removable and can be replaced by the user if broken.
41% have it
12. internal storage
Huawei Mate 10 Porsche Design: 256GB
13. has USB mass storage support
It can transfer files, music, photos via USB, no need to install additional software.