title: Lost keystore Android
body: <p>I have an app on Google Play and I want to provide a new version with updates, but unfortunately I've lost the keystore (yes, I'm an idiot).</p>
  
  <p>I know that I need to use the same key to upload the new version, is there a way to fix this, for example create a new key and modify the SHA1 using the SHA1 from the other key which I've lost?</p>
  
  <p>Thank You.</p>