Samsung Galaxy S4: How to Block Unwanted or Unknown Incoming Calls

Most of smartphone available today has equipped with lot of advanced features which will allow the user to do more activities with their phone. However, basic activities such as making calls remains one of the most frequently done by the users. It's probably the reason why most of them--including with the Samsung Galaxy SIV--provide the stock Phone app and Contacts app inside them. Both of these apps of course will be able to facilitate the users when they want to make a call.

See also: How to Make a calls in Samsung Galaxy S4

Aside from make a call, you can also receive incoming calls in this phone. Even by utilizing the auto reject call feature, you're able to set your phone to block incoming calls from unwanted or unknown contacts or from contacts that match with the criteria that you have previously set in the auto reject list.

How to enable and set up auto reject call feature?
As a note, it will not work to block calls from private numbers or from internet/VoIP calls. Well, here are the steps to do so:

1. Go to Settings> tap My Device tab> tap Call. Or, Open Phone app> tap the Menu key> tap Call settings.
2. Tap Call rejection.
3. Tap Auto reject mode. Here you'll see 3 options available, they are:
• Off: select this option to turn off auto reject call feature.
• All numbers: select this options if you wish to block incoming calls from all contacts listed in the Contacts app.
• Auto reject numbers: select this option if you wish to block incoming calls from contacts or contacts that match with the criteria you have added in the auto reject list.
4. In this case, select Auto reject numbers.
5. Tap Auto reject list.
6. Tick the box next to Unknown option to block incoming calls from contacts that not listed in the Contacts app.
7. Tap Create to add number or criteria to the auto reject list.
8. Tap Match criteria. Here you'll see 4 options available, they're:
• Exactly the same as: select this option if you wish to block call from the contact which is exactly the same as the contact you have added in the reject list. To see the complete steps, go to the step #9.
• Starts with: select this option if you wish to block call from contact that start with the number you have added in the reject list. To see the complete steps, go to the step #10.
• Ends with: select this option if you wish to block call from contact that end with the number you have added in the reject list. To see the complete steps, go to the step #11.
• Includes: select this option if you wish to block call from contact containing with the number you have added in the reject list. To see the complete steps, go to the step #12.
9. To block call from certain phone number:
• Select Exactly the same as.
• Enter a full phone number in the Enter number field or you can also tap the Contact icon to pick up the desired contact you wish to block, either from Logs or Contacts app.
• Tap Save button to add the phone number or contact to the reject list.
• Incoming call from this number or contact will be rejected.
10. To block call from contact which start with certain number:
• Select Starts with.
• Enter the number, eg: 0034
• Tap Save button to add the criteria to the reject list.
• All incoming call from the contact which is start with 0034 will be rejected.
11. To block call from contact which is end with certain number:
• Select Ends with.
• Enter the number, eg: 1166
• Tap Save button to add the criteria to the reject list.
All incoming call from the contact which is end with 1166 will be rejected.
12. To block call from contact which is contain certain number:
• Select Includes.
• Enter the number, eg: 5678
• Tap Save button to add the criteria to the reject list.
• All incoming call from the contact which is contain with 0034 will be rejected.
13. You can see all blocked phone numbers or contacts as well as the criteria you have made in the auto reject call list.

After activating the auto reject mode and adding contacts in the auto reject list as well as making criteria for contacts you wish to block, all incoming call from them will be blocked or redirected to your voice mail if you activate it. FYI, You still be able to see the call log from the blocked contact in the call logs and they will be labelled with the rejected call icon .