Error code

Android INSTALL_FAILED_DUPLICATE_PERMISSION

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

What it means

The APK declares a custom permission that conflicts with a permission already declared by another installed app.

How to fix it

  1. Uninstall the other app that declares the conflicting permission.
  2. Rename the conflicting custom permission in the app manifest before rebuilding the APK.

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