If you have a situation where either you have forgotten a Keystore password or change of developers and the password wasn't sent across.... what to do?  However, your app lives on and needs to be updated!   Possible solutions grade.properties This is a great starting point.  Have a look in your android/gradle.properties file.  Unfortunately, the android/ directory didn't exist and I had to run the command prompt to generate.  So no password! signingConfigs { release...