What happens if you dial 31 on Android?
To block your mobile phone number on a per-call basis, dial #31# before each phone number you call. To permanently block your number use your Call Settings menu. Get step-by-step instructions for your device on how to hide your caller information.
What does 31 do on Android?
Stop your number showing
There are ways to stop your number being displayed. This is known as CND blocking. To block CND on all calls from your phone, contact your telco. To block caller ID for an individual call, dial 1831 (or #31# from a mobile) then the number you are calling.
What does * 31 do to your phone?
Hide Your Phone From Caller ID: #31#
I could only get this to work on Android. But entering this code prompted a pop-up stating that my Caller ID had been disabled. In order to re-instate Caller ID, enter *31# .
What is * * 4636 * * Android secret codes?
The code ##4636## is a diagnostic tool code for Android devices, which allows you to access information about your device's battery, usage statistics, and other diagnostic data.
What is * * 4636 * * code for?
Which city code is 31 in Brazil?
Does 1831 still work?
What area code is 31 in Sweden?
Why is * * 4636 * * not working?