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2. Prepare any brand of microSD card up to 8GB. Please make sure the
microSD card is unlocked and there it has at least has 500MB of free
space available.
3. Copy the whole “firmware” folder to the root directory of micro SD
card. Please do not change the contents of the files including file
names and folder names.
4. Please verify that Libre Air’s battery is charged so the firmware
upgrade will not be interrupted.
5. With the Libre Air powered off, insert the Micro SD card into Libre
Air’s microSD card slot.
Firmware Upgrade Procedure:
1. Choose “Firmware Upgrade” and press [Enter] to enter, a popup
message will appear saying “OK?”, press [Enter] to continue. Another
popup message will appear asking “System Message Reboot and
upgrade now?”, press [Enter] and the following message will appear
on the Libre Air’s display:
Chapter 4 - Operating Instructions
Figure 1
While performing Firmware Upgrade,
all eBooks and data may be deleted!
Press [OK] key to perform Firmware
Upgrade, or press [ ] key to cancel.
