ESP8266 Updating using ESP Tool

gistfile1.txt

Before you begin: It worked for me, and may work for you, but I take no responsibility if your ESP8266 module stops working after attempting this.

You need the original esp_flasher.zip file from Sebastians instructions found at https://developer.mbed.org/users/sschocke/code/WiFiLamp/wiki/Updating-ESP8266-Firmware
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Connections:

VCC to 3.3V
GND to ground
CH_PD to 3.3V
TXD to RX, RXD to TX 
GPIO0 to DTR
CH_PD to RTS
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Software Requirements:

32-bit Debian

apt-get install git autoconf build-essential gperf bison flex texinfo libtool libncurses5-dev wget gawk libc6-dev-i386 python-serial libexpat-dev

64-bit Debian

apt-get install git autoconf build-essential gperf bison flex texinfo libtool libncurses5-dev wget gawk libc6-dev-amd64 python-serial libexpat-dev

Windows

Use Python 2.7 (not Python 3): https://www.python.org/downloads/
Install pyserial-2.7: http://pyserial.sourceforge.net/pyserial.html

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(1) ESP Flashing Tool

(1) git clone https://github.com/themadinventor/esptool
(2) Copy .bin files from esp_flasher.zip to esptool directory

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Update:

tomvdb@tommainpc:~/esp8266/esptool$ ./esptool.py write_flash 0x0000 boot_v1.1.bin 0x01000 user1.bin 0x7C000 esp_init_data_default.bin 0x7E000 blank.bin
Connecting...
Erasing flash...
Writing at 0x00000600... (100 %)
Erasing flash...
Writing at 0x00037400... (100 %)
Erasing flash...
Writing at 0x0007c000... (100 %)
Erasing flash...
Writing at 0x0007ef00... (100 %)

Leaving...
tomvdb@tommainpc:~/esp8266/esptool$