***********************BOOT MODE*********************** download: Flash size 8Mbit: 512KB+512KB boot_v1.2+.bin 0x00000 user1.1024.new.2.bin 0x01000 esp_init_data_default.bin 0xfc000 (optional) blank.bin 0x7e000 & 0xfe000 Flash size 16Mbit: 512KB+512KB boot_v1.2+.bin 0x00000 user1.1024.new.2.bin 0x01000 esp_init_data_default.bin 0x1fc000 (optional) blank.bin 0x7e000 & 0x1fe000 Flash size 16Mbit-C1: 1024KB+1024KB boot_v1.2+.bin 0x00000 user1.2048.new.5.bin 0x01000 esp_init_data_default.bin 0x1fc000 (optional) blank.bin 0xfe000 & 0x1fe000 Flash size 32Mbit: 512KB+512KB boot_v1.2+.bin 0x00000 user1.1024.new.2.bin 0x01000 esp_init_data_default.bin 0x3fc000 (optional) blank.bin 0x7e000 & 0x3fe000 Flash size 32Mbit-C1: 1024KB+1024KB boot_v1.2+.bin 0x00000 user1.2048.new.5.bin 0x01000 esp_init_data_default.bin 0x3fc000 (optional) blank.bin 0xfe000 & 0x3fe000 ***********************NON-BOOT MODE*********************** download eagle.flash.bin 0x00000 eagle.irom0text.bin 0x40000 blank.bin Flash size 4Mbit: 0x3e000 & 0x7e000 Flash size 8Mbit: 0x7e000 & 0xfe000 Flash size 16Mbit: 0x7e000 & 0x1fe000 Flash size 16Mbit-C1: 0xfe000 & 0x1fe000 Flash size 32Mbit: 0x7e000 & 0x3fe000 Flash size 32Mbit-C1: 0xfe000 & 0x3fe000 esp_init_data_default.bin (optional) Flash size 4Mbit: 0x7c000  Flash size 8Mbit: 0xfc000 Flash size 16Mbit: 0x1fc000 Flash size 16Mbit-C1: 0x1fc000 Flash size 32Mbit: 0x3fc000 Flash size 32Mbit-C1: 0x3fc000 *NOTICE*: 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.