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Home/ How-to guides/ Phones/ Nothing/ Nothing Phone (2a) Plus/ Messaging & calls/ Reduce calls from unknown numbers

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Your deviceNothing Phone (2a) Plus

Step 1 of 425%

01What to do now

Open Phone

Open the Phone app.

A carefully recreated Nothing OS screen for Nothing Phone (2a) Plus, based on the manufacturer's current guidance. The highlighted control shows exactly what to use next. A software update may move it slightly.

Checked against Nothing Support

Official screenshots are used when the manufacturer publishes them. Any additional visual is carefully recreated from the current menu. Instructions are based on Nothing Support guidance for reduce calls from unknown numbers , checked 8 August 2026.

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