The battery capacity is 4000mAh (typical value) Remarks: The battery rated capacity is 3900mAh. The rear camera has a 64 million main camera (f1.9 aperture)+8 million wide-angle (f2.4 aperture)+2 million macro (f2.4 aperture). It supports automatic focusing (phase focusing and contrast focusing). The front camera has a single front camera of 16MP, Optical fixed screen ruler す 6.6 English す September 2022 Screen color Body memory (RO256GB Note: The available memory capacity is less than this value, because the mobile phone software takes up part of the space Company resolution FHD+1080 * 2400 pixels Maximum support expansion does not support CPU core number Eight core dual card dual standby CHA-AL80 Spread star 10z September 2022 Operating system Harmonyos 2.0