How to install and use the electronic DNI on your Android phone: complete guide to procedures, identification, and digital signature

  • The electronic DNI on your mobile phone allows you to securely identify yourself and sign online transactions.
  • You only need an Android phone with NFC and official apps to access the digital administration.
  • The security and legal validity of mobile DNIe transactions are guaranteed.

What is the electronic DNI and what is it used for on a mobile phone?

Installing the electronic DNI on your Android phone

El Electronic DNI It is the digital evolution of the traditional Spanish National Identity Document. It includes a chip NFC that stores personal information and a digital certificate Valid for verifying identity and creating legally valid electronic signatures. This chip allows, through the NFC functionality of Android smartphones, to access identification data and sign online procedures quickly, easily, and securely. In addition, It is not necessary to carry an external physical reader: The mobile phone itself acts as a “bridge” between the user and electronic services.

Among the advantages is the ability to access agencies such as the Tax Agency, the Directorate General of Traffic (DGT), Social Security, and many municipal or regional procedures from your mobile phone, without having to travel or use a computer.

Essential requirements for installing and using the DNIe on Android

App to manage electronic ID on Android phones

  • An electronic DNI (DNIe 3.0 or later): Only recent models contain the NFC chip essential for mobile operation.
  • Android mobile with NFC: The phone must be equipped with NFC and have this feature activated, as it will be the tool for reading the document chip.
  • CAN code: A 6-digit number printed on the front of the ID card, required to authorize access.
  • PIN or personal code: This is the password you receive when you renew your ID, and is essential for digitally signing and completing sensitive transactions.
  • Official apps: Download and install the apps developed by the National Police and the National Mint and Stamp Factory (FNMT) to manage your DNIe on Android; we'll detail which ones below.

To take full advantage of all the features, we recommend keeping your chip certificate up to date, which you can do at any issuing police station using the self-service machines.

Main uses of the electronic DNI on mobile phones

Legality and uses of the electronic DNI on Android

Using an electronic ID card on an Android phone opens the door to a multitude of administrative and personal tasks. Some of the most notable are:

  • Identity validation in online procedures: Access to official portals such as Social Security, the Tax Agency, the DGT, municipal services, registration certificates, employment history, and more.
  • Electronic signature of documents: Digitally sign applications, contracts, authorizations, tax returns, etc., with full legal validity.
  • Access to health services: Request appointments, access medical reports, and manage healthcare procedures using regional apps.
  • Educational or university procedures: Identification on educational platforms, scholarship applications, and procedures at public universities.
  • Data verification and information consultation: Registration consultation, license points, information on subsidies, and other citizen services.

Thanks to the integration of the DNIe with the mobile phone, security is increased, since data is always transmitted encrypted and with explicit authorization from the user, avoiding risks such as physical theft of the document or manipulation of certificates.

What apps do you need to install the electronic DNI on your Android phone?

Applications to use and install the electronic DNI on Android

To use the DNIe on your Android phone safely and officially, you need to install one of the following apps, depending on your usage:

  1. Example DNIe Reading Data: It allows you to read, view, and store data from the NFC chip of your DNIe directly on your phone to verify your identity and personal data. Useful as a reader and for initial testing. Available on Google Play, developer: CNP-FNMT.
  2. Administration access with e-DNI: Official app for authenticating with key public administration agencies. Facilitates access and single login to services such as the Tax Agency, Social Security, and other agencies. Only available for Android.
  3. DNIeRemote – DNIe reader for PC using mobile: Turn your Android phone into a DNIe card reader for your computer, using a Wi-Fi or USB connection. Ideal for users who manage certificates on their computer but don't have a physical reader.

Make sure you only download official apps from the CNP-FNMT developer or the National Police itself. You can easily find them on the Google Play Store.

Step-by-step guide to installing and using the DNIe on your Android phone

Install and activate the electronic DNI from your mobile phone

  1. Download the application "Example DNIe Data Reading" from Google Play. Here's the shortcut:
    Example DNIe Reading Data
    Example DNIe Reading Data
    Developer: CNP-FNMT
    Price: Free
  2. Open the app and select "Read Data" on the initial screen.
  3. Click on “Add a new DNIe” by touching the “+” symbol.
  4. Enter the CAN code, a 6-digit number that is on the front of your electronic ID.
  5. Activate the NFC on your mobileYou can do this from the quick access menu by pulling down the top bar.
  6. Bring your ID closer to your mobile phone and hold both in position until the app successfully reads the chip information. If the connection drops, try adjusting the position of the document.
  7. In case the app requests the PINEnter it when prompted. The PIN is required for certain transactions and digital signatures.
  8. When the reading is complete, the data will appear on the screen. They will be stored locally in your app for quick future reference.

If you're going to use your DNIe to identify yourself on official websites or to sign electronically, you'll need to do so through the specific Access Administration app with DNIe, following similar instructions.

How to identify yourself and sign documents from your mobile phone using the electronic DNI

Identification and electronic signature with the DNIe on Android

  1. Open the app “Administration Access with DNIe” on your Android mobile.
  2. Select the service you wish to access (for example, Treasury, DGT, Social Security, etc.).
  3. Choose the option to identify yourself with DNIe.
  4. Verify the DNI: You can scan the front with the camera or enter the data manually.
  5. Enter PIN that they gave you when you renewed your ID.
  6. Bring your phone close to your ID for NFC reading. Your phone will temporarily load the digital certificate for that authentication session.
  7. Follow the instructions on the official portal to validate the session and, if necessary, sign the document or request.

Remember: The chip's digital certificate may expireIf this happens, you can renew it in person at the self-service machines at any police station that issues ID cards.

What to do if you don't remember your electronic ID PIN?

Recover your electronic ID PIN from your mobile phone

The DNIe PIN is essential for many procedures. If you've forgotten it or lost the envelope you received it in:

  • go to one National Police Station where DNIs are issued.
  • Locate the self-service terminal (it is usually orange).
  • Enter your ID into the machine and follow the instructions to retrieve PIN or establish a new one.
  • After this process, the new code will replace the previous one and will be automatically valid.

Remember that this process is in-person and does not require an appointment. This is a security measure to prevent unauthorized access.

Is it safe to carry your electronic ID on your mobile phone?

Security and legal validity of the DNIe on Android

The system is designed to offer high safety standards:

  • The digital certificate is not copied or installed on the mobile phone.: It is only accessed with authorization during the validation process and is never permanently stored.
  • Always requires the PIN and physical control of the ID to prevent unauthorized access.
  • Official apps encrypt all communications and comply with data protection and confidentiality regulations.
  • Renewal and blocking: If the ID card expires or is lost, its digital validity is lost, adding an additional layer of protection.

Using the DNIe on a mobile phone is just as valid as using a physical reader connected to a computer, and all transactions have the same legal validity for public administration and electronic signature purposes.

Solutions to common problems and additional information

Common problems with the electronic DNI on Android

  • NFC reading problems: Make sure NFC is enabled and that you're holding your phone correctly over your ID. Sometimes it takes several attempts due to signal sensitivity.
  • App does not recognize the DNIe: Make sure your ID is version 3.0 or later and that the NFC chip is in good condition. If not, you may need to renew it.
  • Expired digital certificate: Renew your certificate at the police station using the self-service machines.
  • Extra recommendation: Register on the Cl@ve platform as a complementary authentication method. It facilitates access and recovery in case of problems with your electronic ID.
  • iOS Compatibility: Currently, apps for direct management of the DNIe are only available for Android. iPhone users must use Cl@ve or the installed digital certificate.

Thanks to the development of applications and the integration of NFC technology, the digital identification process in Spain is more accessible, secure, and efficient than ever. Carrying out procedures with your eDNI from your mobile phone saves you travel, avoids queues, and minimizes the risk of loss or fraudulent use.

Now you can take advantage of the full potential of Electronic ID on your Android device, both for informational queries and official procedures, digital signatures, and secure access to public and private services. Installing and using the DNIe on your mobile phone is within everyone's reach and makes everyday e-government easier.

Renew ID from your mobile.
Related article:
How to renew and carry your ID on your phone: Complete guide with digital procedures, official apps, and requirements