Today, I am going to show you how to flash your ESP8266 with firmware updates really quick and easy.
The need list:
2. FTDI with mini usb cable (ESP8266 requires 3.3V to program)
3. Tiny breadboard with tiny colorful ribbon cables for breadboard connections
4. Your computer
Step 1: The Connection
FTDI GND - GND ESP8266 + GPIO 0 ESP8266
FTDI VCC - VCC ESP8266 + GPIO 2 ESP8266
FTDI TX - RXD ESP8266
FTDI RX - TXD ESP8266
Note: FTDI's CTS and DTR pins, leave blank.
Note: ESP8266's CH_PD and RST pins, connect them.
Step 2: Download Necessary Files
The rar file for Windows and after the connection of ESP8266, when you plug in to your computer, there will be COM port name definition. Keep this COM number in your mind. And set the parameters like that and click on Download button in flasher program to flash the ESP8266.
Note: When it said this, this means don't care, you flash your module very well with success:
Writing at 0x0007ec00... (99 %)
Failed to leave Flash mode