Expand (or expand & copy) the Universal Flasher kit to an SD card as above, then choose from the list...
- Unified fonts - replace the main.xml in files.505.1.1.00.18040\opt\sony\ebook\application\ resources\scripts\ on the SD card with the attached one.
- New icons - place the attached kBookIcon.png alongside the main.xml in the folder above on the SD.
- One-key shutdown - replace the applicationStart.xml in files.505.1.1.00.18040\opt\sony\ebook\application\ resources\ on the SD card with the attached one.
Then proceed as in the standard instructions, i.e. build the image & flash it.