How to install the digital certificate on an Android phone

Digital Certificate on Android

The Digital Certificate It has become one of the most popular software and security elements in recent times, and it is extremely necessary to be able to carry out a multitude of procedures of all kinds through our mobile devices without the need to address any type of public administration .

Therefore, it is especially interesting that we achieve install our Digital Certificate also on our phone. We show you how you can install the Digital Certificate on your Android phone in the easiest way possible, and thus you can carry out countless procedures in the fastest and safest way.

What is the Digital Certificate?

To be able to get to work with this curious technology, what less than first Let's make it clear what type of software we are working with. You have heard countless times about the Digital Certificate, in fact many websites of public administrations, whether local or state, offer you the opportunity to use this identification mechanism to be able to carry out procedures electronically. However, it is very likely that you do not know what they are talking about, and that is why we are here today, to teach you what the Digital Certificate is.

The Digital Certificate of the FNMT (National Currency and Stamp Factory) It is a way to identify yourself on any web page in a secure way. Obviously, it is not intended to enter your Instagram account, but rather when this website contains information that is especially sensitive for user privacy, such as the Treasury, the DGT or the City Council on duty. Basically it is like our digital identification, like our DNI in the form of software. In short, it is a complete identification of your person digitally, as your ID could be when you intend to physically identify yourself somewhere. This is fantastic to be able to streamline our procedures of all kinds.

Obtain the Digital Certificate from Android

We have the possibility to obtain our Digital Certificate directly through an Android device, something that will greatly expedite the procedures. Until recently it was only possible to obtain the Digital Certificate through PCs and with quite complex conditions that made many users end up giving up the attempt. However, it is incredible how easy we can obtain the Digital Certificate directly through Android using the system that the National Currency and Stamp Factory has made available to us, for this we have to download the following application:

  • Android Application: Obtaining FNMT Certificate

Install Certificate

Once we enter the application, it will only offer us two options: Request / Pending requests. In this case, what we are going to do is the following:

  1. We obtain the Root Certificates from the FNMT and install them in our Android by downloading it from the Google Play Store.
  2. We open the application to obtain the FNMT certificate
  3. Click on the button «Request»
  4. We fill in the data corresponding to our DNI or NIE, our first surname and an email that we will need later.
  5. We choose an authorized registry office to prove our identity personally and we will go with our DNI and the code that they have sent us to the DNI.
  6. Once our identity is proven, we return to the application and click on "Pending requests"
  7. Now we can download our Digital Certificate in the fastest way

As you see, It is essential in all cases that you identify yourself in person with your DNI or NIE to authorize the download, you can find the interactive map of offices where you can prove your identity for the Digital Certificate on the interactive office map.

The work does not end here, to proceed to install your Digital Certificate with the following steps:

  1. Download it from the link of the application that we talked about earlier
  2. Click on accept and "Applications and VPN"
  3. It will be installed quickly and easily

We recommend that you install the certificate in the root of the Android device or on the SD memory card, since The certificates obtained in Android cannot be exported, only deleted and imported, so we will not be able to use it on other devices.

Get from PC and install on Android

Obviously, we can also download the FNMT Digital Certificate of Natural Person directly on a PC and install it later on our Android device, in fact it seems to me the most interesting way to have several backup copies always available and thus make sure we never lose this important certificate. The first thing is to know what the Compatible browsers to obtain the FNMT Digital Certificate on Windows PC:

  • Mozilla Firefox
  • Google Chrome
  • Microsoft Edge
  • Opera

However, for this we will first need to install the root certificates of the FNMT directly on our PC, as well as the rest of the files necessary for this task. The FNMT has created a FNMT configurator which will make the task much easier for us, and what it does is install everything we need as quickly and automatically as possible.

Once we have downloaded it and installed all the necessary components to install our Digital Certificate on the PC that we have selected, we will simply proceed with the following steps:

FNMT website

  1. We enter the web to request the digital certificate.
  2. We introduce our DNI or NIE
  3. We enter our first surname as it appears on the DNI or NIE
  4. We enter our email and configure it just below
  5. Now we press the button «Send Request»

Once we have sent the request, an application code will be generated and we will have already carried out the first steps to obtain the Digital Certificate. The next step is that you identify yourself in person with your DNI or NIE To authorize the download, you can find the official map of the offices where you can prove your identity for the Digital Certificate on this interactive office map.

Finally you went to the FNMT Certificate Download website where if you have correctly accredited your identity through the aforementioned offices, you will be able to download the certificate by entering your DNI or NIE, the first surname and the request code that they have sent you by email.

Now it is time to install the Digital Certificate, in Android when we have obtained it through the PC. For this we are going to go to the section of «Certificate Administration» in the «Security» section in the web browser that we have used to download the Digital Certificate. Then we are going to click on the option «Export of Certificate with private key». In this step it will allow us to assign a password to the digital certificate in .PFX format, If you download it in .CER format, you will have done it incorrectly and we recommend that you go back to the beginning.

To install it on our Android device we simply have to send us that .PFX file that we have downloaded through any type of platform. I recommend that you save it in Google Drive to always have a backup, but you can send it to your Android device by eMail or Telegram, once you press it, follow the following steps:

  1. Click and download the .PFX file
  2. Click on accept and "Applications and VPN"
  3. It will be installed quickly and easily

And that's how easy you have obtained the Digital Certificate through your PC and you have managed to export it to have it available on Android and wherever you want. This procedure cannot be done in reverse, since The certificates obtained in Android cannot be exported, only deleted and imported, so we will not be able to use it on other devices.

Use DNIe on Android

Although the Digital Certificate is the most useful, to get out of trouble we can use the NFC reader of the Android device to identify ourselves through the DNIe. To do this, the first thing we must do is download the corresponding app:

Now we must make sure that we have the password that they give us when we obtain the DNI at the time, and we carry out the following steps:

Android DNIe

  1. Open the application and choose where you want to log in
  2. Select the purpose of the identification
  3. Identify yourself with your DNIe
  4. Enter the access PIN that you were given at the police station when you made your DNIe

Now you will automatically access the service you have chosen in the fastest and easiest way, so you will be completely identified with your ID. Unfortunately, there are not many administrations that have absolute compatibility with the DNIe at the moment, although surely they will grow soon given the needs of users.


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