Yesterday was a big day for all Android fans, as Google released the source code for Android 4.3. This means that manufacturers now are getting busy preparing software upgrades. From Sony’s side, you can already read about some of our software upgrade plans on the Sony Xperia News room blog. Software upgrades are an important asset for a device, and we are continuously working to improve the process and lead times. Learn more about how the process works, and what improvements you will see going forward in the full post. Read more after the jump!