How to add an ionic 2 google login

Does anyone know why Android gets the 12501? How to solve it?

I have credentials set up for iOS, and they work perfectly. I have credentials set up for Android, but get the 12501 too (after setting the SHA1 for the .android/debug.keystore).

What I did was do a project for android and another for ios with their respective keys and worked perfect

This worked for me: