I have the same problem as described at RAK7201 always sends button one payload .
Unfortunately, the download link given there for a new firmware no longer works.
Here are some information about my 7201:
at+version
OK V1.0.2.210520_Release
at+get_config=device:status
OK Board Core:RAK4270
MCU:STM32L071KB
LoRa chip:SX1262
Heartbeat interval time : 0 h
Button1 Port£º1 Information: A
Button2 Port£º1 Information: B
Button3 Port£º1 Information: C
Button4 Port£º1 Information: D
Button 1 is pressed.
OK
RX RSSI:-55 SNR:12
Button 2 is pressed.
OK
RX RSSI:-85 SNR:8
Button 3 is pressed.
OK
RX RSSI:-76 SNR:11
Button 4 is pressed.
OK
RX RSSI:-57 SNR:12
