You can block any unknown numbers from calling and text you.
For this we are going to use Calls Blacklist android app. its a call blocker and an SMS blocker free android app.
from the help of this app, you can block unwanted, private and hidden numbers.
– Block Unknown calls and SMS using blacklist feature.
– Block private numbers from the help of this free app.
– Block SMS from alphanumeric numbers.
– Now you can use Whitelist feature to prevent blocking of certain…