Hi I spent a few days on this issue, tried numerous flashing tools in windows and linux. I noticed one that i had not flashed, but was flashed by the supplier indicated DOUT in the terminal via serial interface even though the flashing program keep saying it was a DIO. Googling the flash memory chip...

I have previously had ESP8266-01 V1 and V2 and had no problems with these. I ordered another batch off V2 and have been supplied V3. They have AT version 1.3.0.0 and SDK version 2.0.0. I've flashed ESPEASY firmware version 120 on two devices and now get no messages in putty or see a new network appe...