Blocking calls helps you avoid being bothered by unwanted people.
Here's how to block calls on Samsung Galaxy J3 Pro:
Step 1: Go to 'Phone'.

Access the 'Phone' app.
Step 2: Choose '...' and then select 'Settings'.

Select '...' and then choose 'Settings'.
Step 3: Select 'Block numbers'.

Select 'Block numbers'.
Step 4: Block numbers from: Unknown callers, manually entered numbers, contacts.

Block numbers from: Unknown callers, manually entered numbers, contacts.
Now you can avoid the annoyance from unwanted calls. Wishing you all success.
