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Home/ How-to guides/ Phones/ OPPO/ OPPO A3 5G/ Messaging & calls/ Block an unwanted caller

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Your deviceOPPO A3 5G

Step 1 of 425%

01What to do now

Open Phone

Tap the Phone app on your Home screen.

A recreated OPPO ColorOS screen for OPPO A3 5G, matched to the menu path documented by OPPO Support. It is not a screenshot. The highlighted control is added by UKTechExpert, and a software update may move it slightly.

Checked against OPPO Support

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

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