You may modify Focus mode to meet your gaming demands and activate iPhone Game Mode. Here's how to accomplish it:
Open Settings: Go to your device's Settings and select "Focus mode."
Create a New Focus Mode: Tap the plus (+) button at the top-right corner of your screen to create a new Focus mode.
Select Gaming: Choose "Gaming" from the list of available Focus modes and click "Next." Customize your notifications to suit your preferences. For example, you can mute all notifications except for important calls or allow none at all for an uninterrupted gaming experience.
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