Bricked after flashing z03mmc.bin [HELP]

[QUINRY]

Hi,

İ'm flashed z03mmc.bin for zigbee support for my LYWSD03MMC.

After flash, device shows temp. and humidity but not BLE is not working.

After a few seconds, the screen stays like this and no ble appears again.

How can i fix this?

[QUINRY]

@pvvx

[pvvx]

Without registration in the Zigbee network, the thermometer does not work. Registration of the thermometer in the Zigbee network is carried out by closing the “reset” contacts with “gnd” for 3 seconds or when turning on the power after flashing. To save power, the registration time is limited by turning off the thermometer after 45 seconds.

https://github.com/pvvx/z03mmc

[QUINRY]

Without registration in the Zigbee network, the thermometer does not work. Registration of the thermometer in the Zigbee network is carried out by closing the “reset” contacts with “gnd” for 3 seconds or when turning on the power after flashing. To save power, the registration time is limited by turning off the thermometer after 45 seconds.

https://github.com/pvvx/z03mmc

Can't I flash any other firmware anymore?

[pvvx]

Use Zigbee OTA.

[QUINRY]

Zigbee OTA

Where can I find it and how can I do it?

[pvvx]

You have flashed a program for the thermometer to work on the Zigbee network.
The ZigBee standard has "ZigBee OTA" in its specification.

devbis/z03mmc#32
devbis/z03mmc#55

[wildekek]

Your best bet is using this: https://www.zigbee2mqtt.io/guide/usage/ota_updates.html#local-ota-index-and-firmware-files