Turn off Smart Lock in the settings.
Next time do a little research before blaming a company for not providing adequate security
1. You can't change resolution, only aspect ratio
2. White balance settings are only in pro mode
3. There are no "scenes" to pick from
Open camera app > go to settings > check the "Mirrored photo" option
Literally right there in the settings.
There are two types of Type-C to 3.5mm adapters out there, ones with a DAC (digital to analog converter) built in, and ones without a DAC built in....
You change icon packs in the launcher setting, not the system setting