All versions of IIJ SmartKey

jp.ad.iij.smartkey2 · 3 versions

IIJ SmartKey has 3 versions listed, going back to v2.1.5. Since v2.1.5 the APK grew from 4.3 MB to 5.4 MB.

All 3 versions checked are signed with the same certificate (82:92:0F:96…, issued to “Internet Initiative Japan Inc.”), so they can update one another.

Versions, newest first

v2.1.7 (16) LATEST

Uploaded Feb 10, 2026 5.4 MB Android 4.0.3+ TRUSTED

466d89bae03f690f79d2c3a95d6cdced

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What's new (as uploaded)

* Add support for Android 15 (API Level 35). * Add support for Google's new view specifications (Edge-to-Edge display).

v2.1.6 (15)

Uploaded May 31, 2024 5.4 MB Android 4.0.3+ TRUSTED

717637e360a21d1299432faf1b42483a

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What's new (as uploaded)

* Add support for Android 13 (API Level 33). * Add support for Google's push notification specification change. * Version 2.1.5 or older SmartKey apps can not receive push notifications since June 20, 2024. Even in such a case, you can use SmartKey authentication (slide and one-time password authentication) by manually launching the SmartKey app.

v2.1.5 (13)

Uploaded Mar 23, 2023 4.3 MB Android 4.0.3+ TRUSTED

f23a7ddb55cc68437af53bd28b379aed

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What's new (as uploaded)

* Add support for Android 12 (API Level 31). * Change compatible Android version for slide authentication (Android 5.0 or newer).