@gfloater @Wayne-TP The above SD was the one inside C420S1 (in the hub). Small video files (low power device, battery + solar), all structure and files seems ok, but tapo app could not format it....

@Wayne-TP Same situation here, same "abnormal" message, cannot format on camera (stops at ~70%). The SD is pretty readable on win pc, H2testw finishes without errors. My last installation (I've done...