- Save the attached firmware, "IUSBHD.SEF" into a USB thumb drive and keep the file name as it is.
- Insert the USB thumb drive into the device and power it up
- Wait till the screen on the device shows update "Vxx to v27", press the power button one time to proceed.
- Once the firmware update is completed, the unit will be off
1, Adjust battery parameters for longer battery life.
2, Lower the electric threshold to address ‘Replace Cable’ warning
1, Add Apple USB Ethernet Adapter driver.