Release notes/10.1.2 - OLPC: "Prepare the USB drive:
Download os852.img,
Save the file to the top directory of the USB drive,
Download os852.img.fs.zip,
Save the file to the top directory of the same USB drive,
Rename the file to fs.zip, (removing the os852.img part of the name),
Check the USB drive contains at least the two files fs.zip and os852.img.
Prepare the laptop:
Make a copy of any data you wish to keep,
Check the battery is inserted and locked,
Check that the power cord is in place and the battery indicator is green,
Turn off the laptop, unless it is already off,
Insert the USB drive into any USB port on the laptop,"
