To be clear, these methods don't stop robocalls. They just send them directly to voicemail without ever ringing your phone. On the next screen, toggle the "Silence Unknown Callers" button to green. On ...
Another troubleshooting step that might help is to remove your SIM card, if your phone has one, and then place it back in with the phone turned on. If the SIM card is dirty, clean it. If it has any ...
Go to Settings > Display & Brightness > Brightness > True Tone and toggle it on. This setting is switched on by default, but if you accidentally disabled it before, you can always find it in Settings.