Sometimes it might be interesting to find out if a person has stored our phone number in the phone book or if he has not already done so. Without going to bother sociology theories about it, we can here technically see how it can be done, using the Whatsapp app and a very clever and very simple hidden trick.
Obviously, this type of option does not exist in any application and on any phone, so it is necessary to take advantage of the immense address book of Whatsapp, which on its servers keeps the phone numbers of almost a billion people in the world, and a little different way which has this application to treat friends who have my number saved in the phone book from those who have not done so.
The trick is to send a new broadcast to two people, one that we know for sure knows us and has our phone number saved and the other that we want to find out if he has memorized it or not.
This trick, of course, only works with contacts who use WhatsApp.
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To start, open WhatsApp, touch the icon with three dots at the top and create a " New Broadcast ".
In the list of people to be included in the broadcast, which is like a group except for the fact that the responses of others are received only by us, include the person we are investigating and one we know for sure has saved our number in his address book.
Once done, write and broadcast a message.
Immediately after touching (or holding) the message, then press the "i" icon to open the "message info" screen and note if the message has already been read or delivered.
At this point, the name of the friend who has our number will appear under the list Delivered to or Read from, while if the other person does not appear, it means that he does not have our number in the address book .
If, on the other hand, the info messages mark on " 2 remaining ", then it means that both contacts selected in the broadcast have our number stored in their address book.
This is because broadcasts can only be received by people who have our number saved in the phone book, while anyone else will not receive anything from the broadcast.
So if you are curious to know if a person we know is so little interested in us that we do not even save our number in the address book, then this is the easiest way that leaves no doubt.
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