Extract the last 16 bytes of the answer and convert them to a (32 characters) hexadecimal string using xxd -p. While running this you have to listen with Wireshark or tcpdump for UDP packages sent as anser by the robot. Like above you can also use this shell command to send the magic package:Įcho -ne '\x21\x31\x00\x20\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff' | nc -u 192.168.8.1 54321 Method 4b - netcat and Wireshark / tcpdump Copy and save it somewhere.ĭisconnect your computer from the devices network, you can now use the Mi Home app to setup the device and connect it to your Wi-Fi network. In the last 16 bytes (32 characters) of the devices response is the device token.
HEX: 21310020ffffffffffffffffffffffffffffffffffffffffffffffffffffffffĬlick send and the device will respond with an answer which contains the unique device token. Open Packet Sender and enter the following details. Connect to this Wi-Fi network with your computer which has Packet Sender running. This network will have a name related to the device and is used for configuring the device but will also allow us to retrieve the token. This will reset all device settings including the Wi-Fi settings.Īfter reset the device will create a it's own Wi-Fi network. Reset the device following the instructions from the device manual, this usually means holding one or two buttons for 10 seconds.
#Ibackup extractor make custom firmware portable#
Choose the portable version which does not require installation.ĭownload the portable version of Packet Sender. This method uses a tool called Packet Sender which you will need to download. During setup of Mi Home devices the device tokens an be retrieved by sending a ping command to the device.
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