Probably a nit: "openssl x509" shows the serial amount occasionally as octet string, sometimes as integer Overview the contents of the property/ directory as well as your res/raw/ directory for raw asset files and static files that you have to update or get rid of just before release. MOGI-137 - https://kameronljgez.digitollblog.com/27667981/considerations-to-know-about-jav-release