bin files to update the firmware for 4MB flash size

renB
Posts: 1
Joined: Thu Oct 01, 2015 3:52 pm

bin files to update the firmware for 4MB flash size

Postby renB » Thu Oct 01, 2015 4:35 pm

Hi all,

I would like to update the firmware of my ESP8266 in boot mode. I downloaded the current ESP download tool and the "AT_v0.50_on_esp_iot_sdk_v1.4.0_150918.zip" firmware.
The AT+RST shows me:
2nd boot version: 1.2
SPI speed: 40 Mhz
SPI Mode : QIO
SPI flash size: 4Mbit

For boot mode there is no entry for 4Mbit Flash size. Which bin files do I have to download to which addresses to update to version 1.4?

ESP_Faye
Posts: 1641
Joined: Mon Oct 27, 2014 11:08 am

Re: bin files to update the firmware for 4MB flash size

Postby ESP_Faye » Fri Oct 09, 2015 3:43 pm

Hi,

If your flash size is 4Mbit,please upload using NON-BOOT MODE bin(refered to esp_iot_sdk_v1.4.0\bin\at\readme.txt):
eagle.flash.bin : 0x00000
eagle.irom0text.bin: 0x40000
blank.bin : 0x3e000 & 0x7e000
esp_init_data_default.bin (optional): 0x7c000

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