Meaning
Android could not find valid signing certificates in the APK.
Causes
- APK was built without signing
- Signing failed or certificates were stripped
- Corrupted APK file
Fixes
- Sign the APK with a valid keystore
- Rebuild the release APK
- Re-download the APK if it is corrupted
Example
INSTALL_PARSE_FAILED_NO_CERTIFICATES
FAQ
- Is this different from INVALID_APK?
Yes. This specifically indicates missing/invalid signing certificates. - Can Play Store APKs cause this?
Rarely. It usually happens with side-loaded APKs.
Contact
Contact the app publisher if you do not control signing.