Hi
PaArAd0x,
Thank you for asking. I hope everything is safe and sound there. Kindly provide the information below so that we could better assist you.
1. Your model name. Since we have ZenFone 4 Max (ZC520KL/ZC554KL) and ZenFone 4 Pro (ZS551KL), please check Setting>System>About Phone>Model
https://www.asus.com/tw/support/FAQ/1014441/2. Your current firmware version
Setting >System>About Phone>Software information>Build Number
If you try to update to the latest version, does the issue still remain?
3. Re-open the camera app