How to Block Phone Number on HTC Desire 400 Dual Sim (Black)

Smartphone is the main way of communication for modern people. With a help of it you can make and receive calls. However, not all of them are welcome. If you do not want to spend time talking with annoying people, you should block the phone number on HTC Desire 400 Dual Sim (Black). There are several ways to put the person on the blacklist.

With a standard dialer

HTC Desire 400 Dual Sim (Black) like any other model based on Android has an app «Phone». It allows not only to phone, but also to block numbers of spammers and other people. To add a contact to the blacklist follow the instruction:

Open the app «Phone».
Go to the contact list.
Open the contact.
Click on the button, which looks like three dots and select «Add to blacklist».

After completing and confirming these points, you will not see the caller’s name on the screen of the device anymore. If somebody has not been in your phone book previously, he might be added to the blacklist through the call logs.

Special app

The problem of unwanted calls bothers not only the creator of HTC Desire 400 Dual Sim (Black), but also third-party developers. They prepared many apps with a function of blacklist, which works like a standard dialer.

So, you may use the app «Call blocker». It is available on Google Play and suggests the full range of opportunities to get rid of annoying people. You can add the number to the blacklist by the call log or entering contact information.

In addition, there are some other similar programs. For example, «Pick up the phone». It looks different but has the same functions as «Call blocker», so you will not have the problems with it.

Service of an operator

In the list of services of almost every operator, you can find «Black List». The option copies functions of the standard dialer and special applications allowing you to black unwanted calls. At the same time, the disadvantage of using the service is subscription free. However, if other options did not work, there is no choice.

Messenger

Even if you blocked a person using one of the previous ways, he has an opportunity to talk to you in other ways. For example, on WhatsApp, Telegram or Viber if the messenger is connected to the same number.

The way out of the situation is simple – blocking in the messenger. To do this click on the appropriate button in the chat with an unwanted subscriber. It appears when you receive the first message from the person.

If the function «Block» does not appear on the screen, press the button, which looks like three dots, and select the similar item.

This option works the same in the other messengers like Telegram or Viber. Each application has its own blacklist with a help of which annoying callers are blocked.

How to block hidden number on HTC Desire 400 Dual Sim (Black)

Sometimes people phone you from hidden numbers. Then in the field for the name appears «Unknown» and blocking with standard ways becomes impossible. In the similar situation, you need to find an additional option that might have been added to your HTC Desire 400 Dual Sim (Black) firmware version:

Open settings on your device.
Go to the list of apps.
Select «Calls» or «Phones» (the name of the program can be different depending on the OS version).
Go to «Antispam» and then «Call blocking».
Set the «Block calls from strangers» and «Block calls from the hidden numbers» to the active position.

While doing the last point, do not mistake these options. The firs one makes inaccessible incoming calls from any person who is not included to your contact list and the second – only from hidden numbers.

Do not worry if you cannot find the option. There are many programs working like it. For example, «Call blocker».

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