https://community.spotify.com/t5/Spotify-for-Developers/Flutter-spotify-sdk-using-auth-token-generate-issue/m-p/7219336#M19068 <P><STRONG>Plan</STRONG></P><P>Free/Premium</P><P><STRONG>Country</STRONG></P><P>India</P><P><STRONG>Device</STRONG></P><P>Samsung</P><P><STRONG>Operating System</STRONG></P><P>Android 14</P><P>&nbsp;</P><P><STRONG>My Question or Issue<BR />i have flutter sdk using flutter authentication but every time show&nbsp;AUTHENTICATION_SERVICE_UNAVAILABLE .<BR />i have proper pacakge name and SHA1 key added.and flutter sdk demo example run same error how to resolved it.</STRONG></P><P>&nbsp;</P> Thu, 13 Nov 2025 10:56:32 GMT Rahulflutter 2025-11-13T10:56:32Z https://community.spotify.com/t5/Spotify-for-Developers/Flutter-spotify-sdk-using-auth-token-generate-issue/m-p/7219336#M19068 <P><STRONG>Plan</STRONG></P><P>Free/Premium</P><P><STRONG>Country</STRONG></P><P>India</P><P><STRONG>Device</STRONG></P><P>Samsung</P><P><STRONG>Operating System</STRONG></P><P>Android 14</P><P>&nbsp;</P><P><STRONG>My Question or Issue<BR />i have flutter sdk using flutter authentication but every time show&nbsp;AUTHENTICATION_SERVICE_UNAVAILABLE .<BR />i have proper pacakge name and SHA1 key added.and flutter sdk demo example run same error how to resolved it.</STRONG></P><P>&nbsp;</P> Thu, 13 Nov 2025 10:56:32 GMT https://community.spotify.com/t5/Spotify-for-Developers/Flutter-spotify-sdk-using-auth-token-generate-issue/m-p/7219336#M19068 Rahulflutter 2025-11-13T10:56:32Z