Android System Key Verifier v1.307.859723401 Released

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📝 Key Points of This Article

• On Friday, February 20, 2026, an update to version v1.307.859723401 was released for the “Android System Key Verifier” Android system app.
• This is the first update since version v1.284.843829865, which was released on Thursday, January 22, 2026.
• The “Android System Key Verifier” app is a background-running Android system app designed to improve the security of messaging apps such as “Google Messages.”

On Friday, February 20, 2026, an update to version v1.307.859723401 began rolling out for the “Android System Key Verifier” Android system app, which is designed to enhance the security of messaging apps including “Google Messages.”

This v1.307.859723401 update for the “Android System Key Verifier” app is the first since version v1.284.843829865, which was released on Thursday, January 22, 2026. While the specific details of the update have not been disclosed, it is expected to include bug fixes and optimizations.

The “Android System Key Verifier” app is an Android system app that runs in the background and is designed to improve the security of messaging apps like “Google Messages.” It comes pre-installed on Android devices running Android 8.0 Oreo or later.

Android システムキー検証ツールは、エンドツーエンド暗号化（E2EE）メッセージングアプリのセキュリティを向上させるために設計されたシステムサービスです。異なるアプリ間で公開鍵を検証するための統一されたシステムを提供します。開発者は、このツールを使ってエンドツーエンド暗号化キーを保存できます。ユーザーは、アプリが通信時に正しい公開鍵を使用していることを検証し、意図した相手と通信していることを確認できます。

Android System Key Verifier – Google Play のアプリ

Updates for the “Android System Key Verifier” system app can be checked through the “System services” settings, accessible via the “Google (Google Services)” -> “All services” tab within the Android settings.

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“Android System Key Verifier” App Link