download:
AT firmware which can upgrade by "AT+CIUPDATE"
boot_v1.2+.bin 0x00000
user1.1024.new.2.bin 0x01000
blank.bin 0x7e000 & 0xfe000
or
AT firmware which can not upgrade by "AT+CIUPDATE", but fit in 4Mbit flash
eagle.flash.bin 0x00000
eagle.irom0text.bin 0x40000
blank.bin 0x3e000 & 0x7e000
*NOTICE*:
1.If you use Esp Flash Download Tool, please MAKE SURE to choose FLASH SIZE to 8Mbit.
2.UPDATE is not supported in non-boot mode
Update steps
1.Make sure TE(terminal equipment) is in sta or sta+ap mode
ex. AT+CWMODE=3
OK
AT+RST
2.Make sure TE got ip address
ex. AT+CWJAP="ssid","12345678"
OK
AT+CIFSR
192.168.1.134
3.Let's update
ex. AT+CIUPDATE
+CIPUPDATE:1 found server
+CIPUPDATE:2 connect server
+CIPUPDATE:3 got edition
+CIPUPDATE:4 start start
OK
note. If there are mistakes in the updating, then break update and print ERROR.