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Hydrion / Documentation / Install on Android

Install Hydrion on Android

Step-by-step instructions for installing the official Hydrion 1.2.0+4 APK outside Google Play.

Verify that the download comes from the1807.xyz or the official THE-1807/hydrion GitHub release.

Installation steps

  1. Download hydrion-1.2.0-4-android-production-release.apk.
  2. Open the downloaded file from your browser or file manager.
  3. If Android asks, allow installations from that browser or file manager.
  4. Review the Android installation prompt and confirm that you intend to install Hydrion.
  5. Install Hydrion, then open the application.
  6. If desired, disable the temporary “install unknown apps” permission afterward.

Updates and local data

A compatible newer build signed with the same key should normally update over an older tester build while preserving local app data, but upgrade behavior still requires physical-device verification. Uninstalling Hydrion may remove locally stored settings and hydration history.

Play Protect

Android may show a Play Protect notice because this tester build is not distributed through Google Play. Review the source of the APK. Do not disable Play Protect globally.

Verify the file

Use the exact production-release filename linked above. Android artifact metadata, signature validation, and size auditing passed the Hydrion CI quality gate. Before installing, confirm the downloaded file's SHA-256 checksum matches the value below.

Asset
88.1 MiB
SHA-256
72e766eb1e03b60391713269958adff4ef352ac25e683d03d2908d5a696b88a6

On Windows, run certutil -hashfile hydrion-1.2.0-4-android-production-release.apk SHA256. On macOS or Linux, run shasum -a 256 hydrion-1.2.0-4-android-production-release.apk. The output must match the value above exactly.

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