02-27-2020 05:52 AM
Please sign or rebuild your APK using a production certificate or verify your keystore build settings are correct.
03-29-2021 07:53 AM
I was hitting this same issue, and it turned out moving backwards to Android 6.0 "Marshmallow" (API level 23) in the Player settings adds v1 signing, which according to Oculus isn't required for Quest 2, although they don't seem to accept anything without it. Hopefully that works for you