User's Manual

Table Of Contents
AI7688H User Manual
-9-
Copyright@2016 AcSiP
3 Firmware and Bootloader
3.1 Flash F/W from USB drive
# Download lates Firmware
# Unzip it and copy the unzipped lks7688.img file to the root directory of a FAT32
USB Drive
# Attach the USB drive to the HOST port of the board with an OTG cable.
# Hold the WiFi button
# Press the MPU reset button once while holding the WiFi button
# Keep holding WiFi button about 5 seconds. Release WiFi button until the WiFi orange
LED becomes OFF.
Do not press the Wi-Fi button for longer than 20s or it will upgrade the bootloader.
Wait while the WiFi LED blinks fast. This takes about 3 minutes.
The device will automatically reboot after firmware update completed.