User Manual

LS9 User Guide
Libre Wireless Technologies User Guide : LS9 / LS9AD, Ver. 5.3 Page 16 of 75
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Upgrading from
v9024 to v9026 (or
later)
Ensure that the firmware version present in the module is
v9024, before upgrading using the method mentioned below.
If the firmware version present in the module is older than v9024,
then update the modules with v9024, and use one on the methods
below.
If USB Method mentioned below is being used, then USB-Hub will be
required to accommodate USB Stick which will have the single-image
required for firmware upgrade as the USB port present in LS9 EVK
will be already used to access device terminal to execute below shell
commands.
Follow any one of the methods
 USB Method
1 Place the firmware image in the root directory of USB.
2 Ensure the binary filename is “83_IMAGE”
- The Firmware image should not contain any
extensions.
3 Insert USB in LS9 EVK
4 Run si_update shell command and Reboot (Manual
re-boot) the device.
5 Run p_erase shell command and device will re-boot.
6 After the device re-boots, execute the usb_update , to
update the application image.
• PC / Laptop method using “l2nand” command. See Section 7.5
Custom ENVs will not be retained when firmware is upgraded
using PC / Laptop method. Customers have to updated the
firmware gain using either USB method (Section 3.2.1) or Network
method (Section 3.2.2) of upgrade.
Upgrading from
v9026 to v9027 or
later
Follow any one of the methods
 USB Method, see Section 3.2.1
 Network Method, see Section 3.2.2
 Internet Method, see Section 3.2.3