How to know if one of my contacts has changed their WhatsApp number and add them again

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Catherine Le Nevez
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WhatsApp is one of the most used social networks in the world, as it allows us to communicate directly with our friends, family and acquaintances. He reported that recently has around 2.000 million users and it also makes about 1.000 million calls and 100.000 million messages and shared content.

In general, this App is very famous for the features it offers, among which the one to change the phone number that you have linked to your account, without affecting your normal conversations or contacts. But what if it's the other way around, that is if one of your contacts has changed their WhatsApp number, how would you know them and add it again, don't worry, then I'll explain how to know and do it.



    What happens when you change your number on WhatsApp?

    If you buy a new SimCard with a phone number that you have not registered in WhatsApp and you want to make this change, the application offers this function which will be very useful, so you don't have to uninstall the app or miss no chat or contact.

    When you make this change, all information stored in the previous WhatsApp will be available again , including contacts, chats, photos, videos, files and more ... It will also notify the members of the groups you belong to that you have changed your number and you will be able to continue using the platform as normal.

    It depends on how you make the change, that is, if you activate the notification function to your contacts; otherwise they will not be aware of the change made . For this reason, we suggest that you notify the main contacts you want in advance, via a broadcast message, from the application or directly to your friends and family.



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    How to notify my contacts that I have changed my WhatsApp number?

    When you change your phone number in WhatsApp, you must first notify your contacts that you will do it; given that the app alone does not , only to the groups in which you are inserted. For this we offer you useful options that you could easily apply.

    To start, we suggest you create a diffusion chain in so as to send all your contacts the notice informing them of the change of phone. You have to go to your WhatsApp settings, then go to the chats and choose 'new broadcast message'; then add the people you want to notify and click create, write the message and send.

    Another option we propose is change the number in the WhatsApp settings . There you have to enter the previous number you had and the one you will have now; Click Next and the "Notify my contacts" option will appear. At this point you can choose between three alternatives: notify all contacts; notify those with whom I have a conversation or; customize this function.

    Change my number in WhatsApp correctly

    The steps that need to be taken to make the change are as follows

      How is the notification when you switch phones?

      After changing the phone number in WhatsApp and notifying your contacts, they will be able to see the notification when they enter the chat they have with you or if they are in a common group. This notice states the following: '+57 314 ***** 01 has changed your phone number. Press here to communicate with the new number '. And your contacts, by simply clicking on this message, will be able to write you to the new registered number.



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      At first, if what you want to know is how to identify if a contact has changed their number on WhatsApp, don't worry, it's actually quite a simple procedure. Since every time a user has to make this change, the App has an option which is found in the settings which allows you to notify your contacts that the number has changed.

      However, the most appropriate thing is that before the user makes a change to the number, they generate a backup or a backup of their chats in Google Drive as a safety measure.

      It should be noted that although the number change procedure is a safe and reliable step , does not generate problems; You may need to format your computer and reinstall WhatsApp if your phone is Chinese and fails when it is replaced.

      Also, you will see that you will notice that some contacts have changed their number, since when you open the chat you will notice that a screen or information appears at the top with the following message "Change your phone number, tap to send a message or to add to your contact list". As shown in the figure below. And so you will have identified that one of your contacts has changed their phone number.


      If you have already verified that a member of your contacts has changed their number and want to add them again, don't worry, as the procedure is very simple, so be careful. Go to the contact again and click on the section at the top, where the note that tells you that the contact has changed number appears. So when you select the section you will get three options which are:

      • Add contact.
      • Send Message
      • Cancel
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      In that case, you just have to select add contact and that's it , then you need to update the WhatsApp contacts so that the new phone number appears.


      To do this, simply go to the bottom of the green box, this will take you to all the contacts you have added in WhatsApp, then select the three dots that are at the top and you will notice that when you click, you will get several options including the update.

      When you select it, the App will automatically update all the contacts on your list however, don't forget to check that the number change is ready. Re-enter the updated contact.

      Finally, you will notice that WhatsApp is one of the most complete Communication Apps that exist, since it has infinite tools that make your day easier; Since you will not only be able to see when a contact changes their phone number as a security measure, but can also report and block any contact in case it is suspicious or sends you inappropriate information or content.

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