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How to install a digital certificate on Android


Learn how to request, install, and use a digital certificate from your Android phone to perform computer-less procedures.

Many of the procedures that can be carried out with the various managing authorities require the use of a digital certificate. However, that doesn’t mean you need one computer: You can Install a digital certificate with your Android phone.

At this point we have already explained how to install a digital certificate on your phone or computer. In this case, we will focus on the Android case to explain how to do this process on your computer Android smartphone or tabletregardless of the brand and regardless of your version of the operating system.

Obtaining a digital certificate from your cell phone is easier than you think.

Obtain your digital certificate from your mobile phone

The first step before you can Install the digital certificate, consists Generate the certificate from the mobile phone. If you already have a certificate and just want to use it, you can logically skip this process.

This process is carried out according to the steps indicated on the official website of the National Coin and Postage Stamp Factory, the body responsible for issuing this type of certificate. The process is summarized in the following steps:

  1. Download and install the Get FNMT Certificate Android application.
  2. Open the application you just installed and tap Request.
  3. Enter the data provided: DNI or NIE, first name and e-mail.
  4. Click the “Send Request” button. You will receive a request code that you will need to save for future use.

They are four steps to follow to request the certificate from your Android phone. The application is compatible with any version of Android 4.4and given that the vast majority of cell phones already have Android 9, Android 10 or Android 11Most people shouldn’t have a problem performing the above process.

Now comes the longest process of all as it will be necessary Visit one of the registry offices. You can check the one closest to your location on the FNMT registration office map. Remember it You need to request an appointment.

You should Present the application code that you received in step four of the previous process, in addition to proving your identity.

After all, there is only Download the certificate. All you have to do is Open the FNMT certificate app on your Android deviceand touch the Inquiries section. There you can Download your digital certificate.

Install a digital certificate on Android

It doesn’t matter whether you are using a Xiaomi phone, a Samsung Galaxy or a Huawei smartphone: Digital certificates can be installed on any Android deviceregardless of the version of the system used.

All you have to do is follow the steps below:

1. Download and install the root certificate

First you have to Make sure you have the root certificate issued by the official body. In Spain it is the national currency and stamp factory and therefore it will be necessary to Access the Royal Mint Root Certificates page and download the root certificate.

How to install a digital certificate on Android

There will be on your Android smartphone or tablet downloaded a file with the extension .pfx, .p12, .cer, or .crtyou need to install. To do this, open the notification that appears in the control panel or use a file explorer to get to the Download folder.

Open the certificate file and you will see how a Certificate installation window. You can include a if you want Name and description for the certificate – for example “root certificate” -.

When you’re done, you’ll see a notice of this at the bottom of the screen The root certificate was successfully installed. However, you can make sure it has been installed by going to Settings> Security> Other Security Settings> User Certificates.

How to install a digital certificate on Android

2. Install your digital certificate

You have already installed the FNMT’s root certificate, but that is not enough to identify you and perform procedures through public administration. Now you need Install the certificate that you had previously generated.

To install the certificate on your Android smartphone, you just need to follow the same steps as in the previous process: Use a browser to find the downloaded file and open it to run the certificate installer.

If you already had one electronic certificate that you had generated via the computer or some other method in order to Hand it over to the cell phone, you just need to save it in memoryand then run it with a file explorer.

When you’re done Your digital certificate has been successfully installed on your smartphoneand you can use it whenever you want to identify yourself in public institutions and bodies before doing any kind of administration.

Use of digital certificates on Android

Installing the digital certificate on your Android phone is just the first process. Then it’s time to Use it to identify you in administrations.

To do this, the next time you simply have to file an application in front of a public body Select the option “Identify yourself with the digital certificate” – or similar –and you will automatically see a pop-up window that enables it Select one of the installed certificates – If there are several -.

You only have to Choose your own certificateWhen you tap “Accept” you will be automatically identified and ready to perform operations such as sending the income statement from your phone.

Related topics: Android, applications