Google thinks, my app is signed in debug mode.

I try to upload my android apk onto google play for beta testing, but then, this error happens.:

Upload failed
You uploaded an APK that was signed in debug mode. You need to sign your APK in release mode.

But, when I build in unity, no option is checked in, neither “development build” and 'script debugging". So, why does this happen? How can I solve this problem?

Thanks!

If you use Monodevelop or Visual Studio check the ‘active configuration’ or build settings, the options are either ‘Debug’ or ‘Release’. Make sure it’s set to release when you build it.

I didn’t know if it actually made a difference other than building to different directories in VS but it seems so.

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