Question 1

Is Duo Mobile safe to download?

Accepted Answer

Yes — every file on this site is verified before going live. Duo Mobile Varies with device by Cisco Systems, Inc. passed our scan clean. You can also check the VirusTotal report linked on this page for full transparency.

Question 2

How do I install Duo Mobile on my phone?

Accepted Answer

Tap the Download button at the top of this page, wait for the 0 B file to save to your device, then open it. Android will ask permission to install from unknown sources — tap Allow, and Duo Mobile will be installed in moments.

Question 3

Will Duo Mobile update automatically?

Accepted Answer

Not automatically — apps installed outside the Play Store don't get background updates. Just come back here when a newer version drops. We publish updates as soon as they're officially released.

Question 4

What Android version does Duo Mobile require?

Accepted Answer

Your device needs to run Android Varies with device or later. To check yours: Settings → About Phone → Android Version.

Question 5

Is Duo Mobile free?

Accepted Answer

Completely free. Duo Mobile Varies with device costs nothing to download — just tap the button and install it.

Question 6

Can I download Duo Mobile without Google Play?

Accepted Answer

That's exactly what this page is for. No Google account, no Play Store sign-in needed — just hit Download and the file is on your device in seconds.

Question 7

What is an XAPK file and how do I install it?

Accepted Answer

XAPK is APK with extras — it bundles the main app alongside OBB data files that certain apps need to run properly. Easiest route: use an XAPK installer app. Or rename it to .zip, extract it, install the APK, then move the OBB folder to Android/obb/ on your device.

Duo Mobile

What's New in Version Varies with device

FAQ: Duo Mobile

How to install

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