How to block calls on Android, Samsung Galaxy, Oppo, HTC, Zenfone

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Ngày cập nhật gần nhất: 15/4/2026

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Guide to blocking calls on Android phones

How to block calls on Android

Learn how to block calls on Android with Mytour's step-by-step guide, helping you to block spam and nuisance calls while studying or working. With this method, you can block calls on various phones like HTC, Samsung, Oppo ...

Mytour has a guide on how to block calls on iPhone. However, the process for Android is different due to varying interfaces. Blocking calls from outside your contacts on Android requires following these detailed instructions.

Guide to blocking calls on Android phones

How to block calls on Android

1. Blocking calls on Android

Step 1: Press Phone. Then go to Call History section, select the phone number you want to block calls on Android. Press the arrow next to the phone number.

Step 2: In the Call History details section, press the 3-dot icon at the top right corner. Choose Add to reject list.

Step 3: Press OK to confirm blocking calls on Android for that user.

2. Unblock calls on Android.

To unblock calls, simply tap on the 3-dot icon again and select Remove from block list.

Press OK to confirm unblocking calls on the phone.

Discover the art of blocking calls on Android to safeguard your privacy and dodge incessant nuisance calls.

Other apps like Skype often bombard users with spam messages from strangers. Hence, the message-blocking feature on Skype garners significant attention. With this feature enabled, other users won't be able to call or message you on Skype. Given Skype's global user base in the tens of millions, blocking Skype calls ensures uninterrupted app usage.

On iOS, aside from blocking calls, users can effortlessly block unknown numbers from messaging. In the latest iteration, iOS 10, blocking unknown numbers on iPhone remains straightforward. Employing these two techniques together alleviates concerns of being hassled by unwanted calls and spam messages on iPhone.

Moreover, when utilizing an Android-operated phone, installing numerous apps may lead to rapid battery depletion if those apps remain unused over time. In such instances, it's advisable to remove unnecessary Android apps from your device. The method of uninstalling Android apps varies depending on the phone model.

If you need to block a number from the carrier Viettel, refer to the method of blocking Viettel phone numbers for the most effective and precise blocking solution. Simply send a message to the service center, and you've successfully blocked Viettel calls.

Wishing you success!

Frequently Asked Questions

What are the steps to block a phone number on Android?

To block a phone number on Android, open the Phone app and navigate to Call History. Select the number you wish to block, click the three-dot icon, and choose 'Add to reject list.' Confirm by pressing OK.

Can I easily unblock a phone number on my Android device?

Yes, unblocking a phone number on Android is straightforward. Just access the Phone app, tap the three-dot icon, select 'Remove from block list,' and confirm your choice by pressing OK.

How can I block calls from my carrier, like Viettel?

To block calls from the Viettel carrier, you need to send a message to their service center requesting the block. This method provides a precise and effective way to prevent unwanted calls.

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