Sharp LL-S201A - Manual (Page 15)

6.3.1. Notes during the upgrade
1. Don't Turn Off Power during upgrade.
2. Don't Take out the any cable.
3. Don't Touch the PC during upgrade.
4. Don't Place Another Window on Bit Map Data.
Please keep in mind that writing is no longer performed normally and trouble may
occur in a system action when the above operation is performed.
6.3.2. Tips
If you want to select other firmware, please rename the filename of Firmware.bmp. So,
you can find the file select dialog instead of default setting.
USB
Display Port / HDMI
AC adopter
Do not touch any things during upgrade
Do not put any window on bitmap screen