Do you know the number one cause of online frauds? Pesky unknown calls from foreign countries by callers who are trying to steal your data.
Everyone hates it when some random person calls us and tries to scam their way into you divulging our personal information but, what options do we have to safeguard ourselves?
In this article, we will be taking a look at exactly that. Today we will learn how to get rid of pesky unknown callers who may have been calling and harassing you.

Method 1 – Native Call Blocking

Every smartphone today offers a way to block calls natively. If someone has been troubling you by calling from the same number repeatedly then you can outright block them so they can’t reach through to you.

Call blocking on Android
Every android phone is different and hence every phone will have a different way to natively block calls but here is the general procedure

Open the Phone app and navigate to recent calls
Long press on the number you wish to block
A menu shall appear, select block from that menu.
Hit Confirm if a message prompt pops up.

Call blocking on iPhones
To block calls on iPhone all you have to do is ensure you are running iOS 7 or higher.

Open the Phone app
Go to recent calls
Tap the small “ i ” symbol to the right of the number and scroll down the menu till you find the block
Tap block and confirm

Method 2 – Using 3rd Party Call Management Apps
3rd party call management apps are great to help you figure out who called and also to block unknown spam calls. Here are some of the best apps we recommend you.

1)Truecaller
2)Hiya

Method 3 – Call blocking by Service Provider
Most major service providers in the Nigeria offer services to block calls, you can avail this service by calling up the customer support number for your service provider and asking them to block calls from a certain number.


Source: https://www.naijatechguide.com/2018/12/ways-get-rid-pesky-unknown-callers.html

Nice info