What to do if your mobile contacts have disappeared? Android and iOS
It is unquestionable today that one of the dates (information) most precious to many people, are their Contact. Both those within the mail system, instant messaging applications and others. Like those stored on certain devices, such as computers and mobile phones. Which is why it is important to know, for example, how to respond to us if “My mobile contacts have disappeared.”
Since generally in the , is that the largest number of people usually store within the contact book, a veritable treasure trove of information about third parties. One that they would never want to lose partially or totally. For that and more, here in this tutorial We will see how to solve this problem, if it occurs.

And as usual, before addressing this publication on the field of mobile devicesspecifically if I know “My mobile contacts have disappeared”, we will leave for those interested in exploring some of our previous related posts with this area, the following links to them. So that they can do it easily, if they wish to increase or reinforce their knowledge on this point, at the end of reading this publication:
"Backup copies are the only method to avoid losing all the information that we have stored on a computer, tablet or smartphone. Cloud storage services have helped a lot in this task, a task that previously required connecting an external hard drive to the computer to make the backup. With smartphones this is not possible, so we must resort to other methods to make a copy of all the content on your mobile." How to make a copy of all the content on your mobile

My mobile contacts have disappeared.
What to do if my mobile contacts have disappeared?
Before starting to explain how we can solve this problem, it is worth clarifying that, both in Android as in iOS, the fact of losing (eliminating/disappearing) one or several contacts or all of them, is not usually something spontaneous or fortuitous. If not, it is usually due to possible actions or changes, intentional or not, in some system setting (parameter or option). Knowing this, we can then safely explore the Available solutions to restore (recover) contacts who are perceived as missing.
On Android
First option
La first option or main solution to implement to restore (recover) the disappeared contacts in our Android mobile should be the check device contact book and the contact list of the user account (Google mail) associated with the device.
To do this, and depending on the version of Android used, the procedure would be similar to the one explained below and seen in the following images:
- Launch the contacts app on our Android device.
- Press the upper icon with the initials of the user's name or image.
- Select the Contacts Application Settings option.
- Select the necessary option between Import, Restore or Undo changes, depending on what you think is the cause or the best solution.
- Import: It will allow to add or restore contacts from .vcf files or the inserted SIM chips.
- Restore: It will allow you to add or restore contacts from the current user account (Google mail) or others. And if necessary, from an available encrypted backup.
- Undo changes: It will allow you to restore all possible contacts by reverting all those changes in the contact management application. Complying with the indicated time parameter, whose maximum is 30 days, and have not been deleted from the application's trash.


Second option
Just like second option or alternative solution to implement can be carried out these same recover and restore actions directly from the Contacts option in the device user's Gmail Account. As shown below in the following pictures:



Finally, for more technical information related with doubts and solutions to similar Android/Google issues, you can explore the following link and make selective searches by keywords. For example, Contacts, so that they directly obtain more information on how to solve the problem on What to do if my mobile contacts have disappeared? And other requirements or needs more related to the Contacts within the device.
Also remember that, as Good practice It is recommended to safeguard such valuable information, the following security measures:
Maintain regular and frequent backups. Not only in the Cloud (online) through backups but also outside the device (offline) through exported data files.
Since, so and in any extreme case as hack and total loss of access to the device's Gmail account. Or until the total loss of the mobile by damage, loss or theft. Only data added to the device after the last backup is lost.
On iOS
On a mobile with iOS, the procedure is very similar. Basically, it can be done from a Backup available in Apple iCloud user account. As long as the contact data has been previously synchronized.
And whether from a computer or mobile, you just have to enter "ICloud", Then in «Settings», Then in "Advanced" and finally select "Restore contacts". In this way you can view and choose one of the available backups to restore.
Finally, for more technical information related with doubts and solutions to similar iOS/Apple issues, you can explore the following link and make selective searches by keywords. For example, Contacts, so that they directly obtain more information on how to solve the problem on What to do if my mobile contacts have disappeared in iOS? And other requirements or needs more related to the Contacts within the device.

Summary
In short, as can be seen, if one day we were to ask ourselves what to do if I know “My mobile contacts have disappeared”, the answer to this problem is not only easy, but also quick to implement. Both on Android and iOS. Therefore, we just have to be calm and start to solve it.
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