Error code

Android INSTALL_FAILED_INVALID_APK

ANDROIDINSTALL_FAILED_INVALID_APK
Android Error Code· An error code shown by Android or the Google Play Store.

What it means

The APK file is malformed or corrupt and cannot be parsed by the Android package manager.

How to fix it

  1. Re-download the APK from a trusted source.
  2. Verify the APK's integrity with a checksum if provided by the developer.
  3. Build or export the APK again from Android Studio if developing the app.

Not affiliated with Android. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.