Samsung pushed out another update for the Galaxy S III unbranded UK version. (BTU)
The update is only 1 MB big, The update will update your MODEM version to August.
Thanks to this update your battery power will significantly better. The battery drain will be completely gone.
If you have a Galaxy S III and you live in the United Kingdom you will be able to update your device.
You can use Samsung KIES or the OTA ( Over The Air) system of Samsung.
Of course you also can use ODIN for this update.
Make sure your battery is at full capacity when you use KIES, OTA or ODIN.
