Foreword: The No. 9 electric car phase has joined the function of the Internet of Things, and the car access to the network will have an advantage that it can update the car system similar to the mobile phone system update. OTA, the full name is Over-the-AirTechnology, literally means over-the-air upgrade, which refers to the technology that terminal equipment downloads the upgrade package on the remote server through the wireless network to upgrade the system or application.
1. Upgrade content The
whole car OTA can support the over-the-air upgrade of the four major parts of the car body, including motor controller firmware, ECU firmware, instrument firmware, and BMS firmware.
1. Upgrade method
1. After the Bluetooth OTA
mobile phone is connected to the vehicle, if there is a new firmware to update, a dialog box will pop up to remind you to update. There is an IoT module on the
2.2G network OTA
vehicle. As long as it is connected to the Internet, it will automatically update the latest firmware without any extra operations.