Why can't I install Proton Authenticator?

The installation of Proton Authenticator may fail because of the lack of device storage, poor network connection, or the compatibility of your Android device. Therefore, please check the minimum requirements first to make sure Proton Authenticator is compatible with your phone.

How to check if Proton Authenticator is safe to download?

Proton Authenticator is safe to download on APKPure, as it has a trusted and verified digital signature from its developer.

How to download Proton Authenticator old versions?

APKPure provides the latest version and all the older versions of Proton Authenticator. You can download any version you want from here: All Versions of Proton Authenticator

What's the file size of Proton Authenticator?

Proton Authenticator takes up around 91.4 MB of storage. It's recommended to download APKPure App to install Proton Authenticator successfully on your mobile device with faster speed.

Download Proton Authenticator Latest Version 1.3.10 Android APK File

What's New in the Latest Version 1.3.10

Jul 29, 2026

Secure, end-to-end encrypted, open source, and available on every device Download the latest version of Proton Authenticator 1.3.10 to enjoy new features and updates immediately!

- Target Android 16

Proton Authenticator FAQ

Is Proton Authenticator safe to download?

APKPure verifies the Proton Authenticator APK file’s digital signature and checks it using security engines such as VirusTotal. You can tap the “Trusted App” badge on the app details page to view the available security information.

How much storage space do I need to install Proton Authenticator ?

The download APK file is 91.4 MB, and you’ll need additional free space to install the app and store temporary files, updates, and cache data. If the installation fails, free up some storage and try again.

How long does Proton Authenticator take to download?

Proton Authenticator is 91.4 MB. On a stable 4G, 5G, or Wi-Fi connection, the download may take anywhere from a few seconds to several minutes, depending on your network speed.

Why do I fail to download or install?

Common causes include insufficient storage, an incompatible Android version, an unstable network connection, a corrupted download, or missing installation permissions. See our download and installation troubleshooting guide for step-by-step solutions.

What are the system requirements for Proton Authenticator ?

The latest version of Proton Authenticator requires Android 8.1+ or later. If your device runs an earlier Android version, check whether a compatible older version of the app is available.

What are APK and XAPK files, and how do I install them?

When downloading, you'll find two types of installation files: - APK: A standard Android installation file, ideal for devices that don't require extra data. Download and install directly. - XAPK: Includes the APK and additional resources (e.g., OBB files) for larger apps or games. Use an XAPK installer like APKPure to install. Learn more about installing APK and XAPK files.

More App Info

Package Name
proton.android.authenticator
Requires Android
Android 8.1+ (Oreo, API 27)
Content Rating
Everyone
Architecture
arm64-v8a
App Permissions
App Permissions
android.permission.CAMERA
android.permission.INTERNET
android.permission.POST_NOTIFICATIONS
android.permission.ACCESS_NETWORK_STATE
android.permission.USE_BIOMETRIC
android.permission.USE_FINGERPRINT
android.permission.WAKE_LOCK
android.permission.RECEIVE_BOOT_COMPLETED
android.permission.FOREGROUND_SERVICE
proton.android.authenticator.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Security Report
Check Now
Feedback
Signature
d8e1ee3ff3a7f6ec46883c898032fe03c23eec20