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APK protection and signing: preserve the update path

Upload keys, distribution signing and installed packages differ. Validate the transformed artifact through its intended channel.

Identify the distribution route

Android distinguishes APK signatures, App Bundle uploads and Play App Signing. A protection service should not replace the customer's release identity with a shared test identity. Successful sideloading does not establish store-update compatibility.

Test upgrades for existing users

Test an existing release upgrading to the protected version, including retained data, permissions and background work. Specify whether the output is an APK, module or another artifact and what signing steps remain. Keep keys in the customer's controlled environment rather than removing identity boundaries for convenience.

Your checklist

  • Define the APK or AAB contract.
  • Test upgrades from the previous release.
  • Keep private signing keys outside uploads.

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