You can perform battery updates using the following methods:

1. Ensure that the aircraft is running the latest firmware version. Attach the batteries to the aircraft and power on both the aircraft and the remote controller. If a battery firmware update is required, a notification will appear on the home page of the DJI Pilot 2 app. Simply tap the notification to initiate the update. If no notification is displayed, it means that an update is not necessary.

2. Connect the DJI RC Plus to the internet. Use the USB-C to USB-A cable to connect the remote controller and the battery charging hub. Insert the batteries into the battery charging hub. Open the battery charging page within the DJI Pilot 2 app. From there, select the battery charging hub update option and proceed with the update process.