Some new Sony Xperia S firmware (6.0.A.3.73) has started to roll out on some handsets. This firmware was certified by the PTCRB on 19 March and is currently the latest firmware to be certified. A reader from Saudi Arabia supplied the screen shot below but a firm change log is unknown at this point. The firmware is still based on Android 2.3.7. No update is available on our Xperia S so if you have updated to this new firmware we’d love to know if you’ve noticed anything different.

Thanks @OSAlamri!