How to Block Calls & Messages on OPPO Phone

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Are you frequently receiving calls and texts from unwanted callers or contacts? Follow this guide to enable your OPPO smartphone to identify these unwanted calls and messages and reject them for you. This hassle-free method allows you to focus on what is important without being disturbed by unnecessary distractions. Read on!

Note: Check your phone's ColorOS version in [Settings] > [About Phone] / [About Device].

How to Block Calls

The Block calls feature helps you to prevent unwanted phone calls from reaching you. To block calls on your OPPO phone, check it how below!

For ColorOS 11 to ColorOS 12 and above: Go to [Settings] > [Privacy] > [Block & Filter] > [Block calls]. Or go to the [Phone] app > tap the [2-dots] or [3-dots] icon in the upper right corner > [Block & Filter] > [Blocked calls] > tap the [2-dots] icon or [3-dots] icon in the upper right corner > [Set Rules] > [Block calls].
For ColorOS 7.0: Go to [Settings] > [Privacy] > [Block & Filter] > [Block Calls]. Or go to the [Phone] app > [2-dots] icon in the upper right corner > [Block & Filter] > [Blocked Calls] > tap the [ 2-dots] icon in the upper right corner > [Set Rules] > [Block Calls].
For ColorOS 6.1: Go to [Settings] > [System Apps] > [Call] > [Block & Filter] > [Call Blocking]. Or go to [Settings] > [Security] > [Block & Filter] > [Call Blocking].
For ColorOS 5.1 to ColorOS 6.0: Go to [Settings] > [System Apps] > [Call] > [Block] > [Call Blocking]. Or go to [Settings] > [Security] > [Anti-harassment/Fraud] > [Call Blocking].
For ColorOS 5.0: Go to [Settings] > [Call] > [Block] > [Block Calls]. Or go to [Settings] > [Security] > [Anti-harassment/Fraud] > [Block Calls].
For ColorOS 3.2: Go to [Settings] > [Call] > [Block] > [Block Calls]. Or go to [Settings] > [Security] > [Anti-harassment/Fraud] > [Block Calls].
For ColorOS 3.1: Go to [Settings] > [Call] > [Block] > [Block Calls]. Or go to [Settings] > [Security] > [Block] > [Block Calls].
For ColorOS 3.0: Go to [Settings] > [Call] > [Block].

Rules Available for Blocking Incoming Calls:

Block All Calls: You won't receive calls anymore unless there are calls from VIP contacts or white-listed numbers.
Block All Calls from Unknown Numbers: The unknown number refers to an unsaved real phone number. Please be aware that when you turn this function on, you might miss some important phone calls from new numbers.
Block Unknown Numbers by Region: You can block numbers from specific locations.
Block One-Ring Calls: This ONLY applies to unknown numbers.
Block Calls from Hidden Numbers: You can block calls made from private numbers.

Note: The above rules may vary depending on the ColorOS version. Some rules may not be available on certain devices.

How to Block Calls per SIM

Note: This option is only available on phones using dual SIM cards.

For dual SIM phones, while on the call blocking screen, you can tap SIM1 or SIM2 and customize the call blocking rules.

How to Block Messages

The Block messages feature lets you control the text and MMS messages you will receive.

For ColorOS 11 to ColorOS 12 and above: Go to [Settings] > [Privacy] > [Block & Filter] > [Block messages]. Or go to the [Messages] app > tap the [2-dots] or [3-dots] icon in the upper right corner > [Block & Filter] > [Blocked messages] > tap the [2-dots] icon or [3-dots] icon in the upper right corner > [Set Rules] > [Block messages].
For ColorOS 7.0: Go to [Settings] > [Privacy] > [Block & Filter] > [Block Messages]. Or go to the [Messages] app > tap the [ 2-dots] icon in the upper right corner > [Block & Filter] > [Blocked Messages] > tap the [2-dots] icon in the upper right corner > [Set Rules] > [Block Messages].
For ColorOS 6.1: Go to [Settings] > [System Apps] > [Messages] > [Block & Filter] > [Block Messages]. Or go to [Settings] > [Security] > [Block & Filter] > [Block Messages].
For ColorOS 5.1 to 6.0: Go to [Settings] > [System Apps] > [Call] > [Block] > [Block Messages]. Or go to [Settings] > [Security] > [Anti-harassment/Fraud] > [Block Messages].
For ColorOS 5.0: Go to [Settings] > [Messages] > [Block] > [Block Messages]. Or go to [Settings] > [Security] > [Anti-harassment/Fraud] > [Block Messages].
For ColorOS 3.2: Go to [Settings] > [Messages] > [Block] > [Block Messages]. Or go to [Settings] > [Security] > [Anti-harassment/Fraud] > [Block Messages].
For ColorOS 3.1. Go to [Settings] > [Messages] > [Block] > [Block Messages]. Or go to [Settings] > [Security] > [Block] > [Block Messages].
For ColorOS 3.0. Go to [Settings] > [Messages] > [Block].

Messages Blocking Rules:

Keywords for Spam: Messages from unknown numbers containing particular keywords that you have set will be recognized as spam.
Block Messages from Unknown Numbers: All messages from unknown numbers that are not in your contact list will be blocked.

Note: When Block Messages from Unknown Messages are turned on, you might miss important verification text messages, as well as messages from people who you know, but are not on your contact list.

How to Block Messages per SIM

Note: This option is only available on phones using dual SIM cards.

For dual SIM phones, while on the message blocking screen, you can tap SIM1 or SIM2 and customize the message blocking rules.

How to Block Messages and Calls on Google Phone

Go to the [Phone] app on the home screen and tap the [3-dotted] icon on the upper-right corner, then tap [Settings], under GENERAL, tap [Blocked numbers], and toggle to enable [Unknown] to block calls from unidentified callers.

Alternatively, go to [Messages] > tap the [3-dotted] icon on the upper-right corner, then tap [Spam & blocked] > [3-dotted] icon > [Blocked contacts] > and toggle [Unknown] to enable.
Or you may tap [ADD A PHONE NUMBER] and enter the phone number you want to block, then tap [Block], and you will no longer receive calls or messages from the number you blocked.

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*Pictures, settings, and paths might differ from those of your phone, but these won't affect the description in this article.

How to Block Calls & Messages on OPPO Phone