Update 1.8 will be available to pre-load from 28 February onwards, just before the official release, allowing you to jump right into the battle as soon as it hits without the bother of download times.
SD version – 705 MB.
HD version – 792 MB.
Here’s how it works
Make sure “Download updates in advance” is ticked. Click “Save” to apply the changes to the settings.
Source: ASIA Portal