Follow these steps to view or change the Caller ID settings on your Galaxy S5:
A. How to access Caller ID settings on Galaxy S5?
1. Get to the Home screen to get started.
2. Tap the Apps icon.
3. Tap Settings next.
4. Tap Call under Applications.
5. Select Additional settings.
6. Tap Caller ID.
Once you tapped Caller ID, you will be prompted with three options including Network default, Hide number, and show number. Choose one from these options.
And that's it! In six steps, you've been able to configure the Caller ID settings on your Galaxy S5.
B. How to turn hide your number to the receiving end when you call?
You can turn off your own caller identification, so your number will not be shown at the receiving end when you make a call. Here's how:
1. Get to the Caller ID settings. You can use the above steps or these:
a. Touch Phone from the Home screen.
b. Touch the Menu icon (represented by dots) located on the upper-right corner on the next screen.
c. Select Settings to continue.
d. Under Settings, touch Call.
e. Touch More settings to proceed. Wait for a few moments for the current settings to display.
f. Touch to select Caller ID.
g. To turn your own caller identification on, touch/select Show number from the given options. To turn it off, touch Hide number.
h. Now get back to the home screen by pressing the Home key.
If you chose to hide your number from the receiver, your number will now be hidden at the receiving end when you make a call. Try it and it should work.