For the problem that Huawei nova7pro5g camera is too slippery, you can consider the following solutions.
First, check whether the camera has a protective case, if so, you can replace the more anti-slip effect of the case, so as to improve the feel.
Secondly, non-slip adhesive paper or non-slip stickers can be affixed to the surface of the camera to increase the stability of photography. In addition, the use of hand-held stabilizers or tripods can effectively reduce the impact of hand tremors on photo quality.
Finally, pay attention to adjusting the Settings of the camera, turn on the anti-shake function or use the camera's own configuration such as portrait mode for clearer and more stable shooting results.