i use arduino uno wifi rev2(real). so i connected my board and went to tool, i downloaded arduino AVR Boards 1.6.23 and arduino megaAVR Board 1.8.3...
so i set my board and port ordinarily ...
and i tried to update firmware
but unfortunately... i have got a massage that make sure that firmwareUpdater sketch is loaded on the board...
and
java.lang.Exception: Programmer not responding
Make sure that FirmwareUpdater sketch is loaded on the board.
at cc.arduino.plugins.wifi101.flashers.java.FlasherSerialClient.hello(FlasherSerialClient.java:108)
at cc.arduino.plugins.wifi101.flashers.java.NinaFlasher.updateFirmware(NinaFlasher.java:73)
at cc.arduino.plugins.wifi101.UpdaterImpl$2.run(UpdaterImpl.java:206)
so what should i do?