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Home/ How-to guides/ Phones/ OnePlus/ OnePlus 12/ Messaging & calls/ Block an unwanted caller

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Your deviceOnePlus 12

Step 1 of 425%

01What to do now

Open Phone

Tap the Phone app on your Home screen.

A carefully recreated OnePlus OxygenOS screen for OnePlus 12, 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 OnePlus Support

Official screenshots are used when the manufacturer publishes them. Any additional visual is carefully recreated from the current menu. Instructions are based on OnePlus Support phone guidance , checked 8 August 2026.

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