how to flash a newer firmware on the ZBDongle-E using SecureCRT.
Download SecureCTR here 108
Get the .gbl firmware for router here 92 or coordinator here 148
Dismantle ZBDongle-E
Start SecureCRT
Press the Boot loader button and keep holding it in, see picture here 129
Insert the ZBDongle-E in your USB port and keep holding for ~10sec, should be a red light.
Press File tab > Quick Connect >
Settings should look like this 113
Press connect
Once you see the bar on SecureCRT blinking press “Enter”, a menu should pop up.
Press key “1” and “Begin upload CCCC” will start loading.
Press Transfer tab > Send Xmodem > Select the downloaded firmware
Once finished it will say “Serial Upload Complete”
Unplug ZBDongle-E
https://community.home-assistant.io/t/itead-s-sonoff-zigbee-3-0-usb-dongle-plus-v2-model-zbdongle-e-based-on-silicon-labs-efr32mg21-20dbm-radio-soc-mcu/442695/125
