This release involves changing the firmware on the radio module in the D2, which takes about 10-15 seconds after the new firmware package is loaded.
The user interface will be locked while the radio module is updated.
If Air communication doesn't work after upgrading to version B1, please perform the following steps:
- Upload previous firmware version A9.
- Start the device and wait 15 seconds.
- Upload firmware version B1 again.
- Start the device and wait 15 seconds.
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