Alternative firmware for ESP8266 with easy configuration using webUI, OTA updates, automation using timers or rules, expandability and entirely local control over MQTT, HTTP, Serial or KNX. Full documentation at

I am having trouble flashing Tasmota to the 2MB ESP32-C3 variant. Using the first command syntax shown at this link, 4MB modules flash successfully. However, 2MB modules will not boot correctly after flashing them with the 2MB variant command syntax. The flash process itself seems to go correctly, with all hashes verified, but the terminal will show the following when the module is rebooted:

ESP-ROM:esp32c3-api1-20210207
Build:Feb  7 2021
rst:0x1 (POWERON),boot:0xf (SPI_FAST_FLASH_BOOT)
SPIWP:0xee
mode:DOUT, clock div:2
load:0x3fcd6100,len:0x48
load:0x403ce000,len:0x648
load:0x403d0000,len:0x21ac
entry 0x403ce000

A few notes:

• Flashing the stock AT command firmware from this link to the 2MB modules IS SUCCESSFUL. This flashing is done with esptool.py.
• esptool.py is updated to the latest version on GitHub, as are the extra flashing files from the above link
• The tasmota32c3.bin and tasmota32c3-safeboot.factory.bin files from the firmware link have been tried. (Flashing tasmota32c3.factory.bin fails with a fatal "will not fit" error on the 2MB variant.)
• The modules are both the 2MB and 4MB variants of Ai-Thinker's ESP32-C3-12F. These modules are supposedly identical except for the amount of flash available.
• Several different 2MB modules have been tested, all with the same result

Just to be clear: I'm flashing with the appropriate command syntax for the 2MB module -- the one that uses the partitions_2M.bin file. 😃

Suggestions as to what is wrong would be appreciated!

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Hello,

I am using Tasmota v10.0.0(zbbridge) since today. I was with v9.4.0 before. Unfortunately the new Aqara devices are not working.

It seems the firmware needs to be upgraded.

Here are some references: https://github.com/dresden-elektronik/deconz-rest-plugin/issues/5403 https://github.com/Koenkk/zigbee2mqtt/issues/9274 https://github.com/home-assistant/core/issues/58985

@Theo: Is there anything you can do?

Kind regards

fb