To upgrade OLED Deauther unit to latest firmware
Step 1. Download ESPFLASHER here
ESP Flasher will allow you to reflash your device easily.
https://github.com/nodemcu/nodemcu-flasher
Step 2 Download Firmware
File to load to upgrade to v9 for OLED version only! Download bin here
Once you have MakerOutletDeauther9.bin and espflasher
Enter the full address on your computer location to the file MakerOutletDeauther9.bin in espflasher
Example: ‘C:\Desktop\MakerOutletDeauther9.bin’
To the right enter 0x00000 in the offset settings
Plug in the ESP8266 via usb to computer, Select COM port that pops up when you plug in unit and click flash when ready to load software to the controller.