M66 does not support MQTT protocol

Hi all,
Revision: M66FAR01A12BT
In the internet, I found information that M66 supports MQTT, but on:

So, I can’t use nothing of this protocol.Thank you in advance.

Dear Rado99,
Thanks for your inquiry in Quectel forum.
Please check the document carefully, you have enter the wrong command. Thanks!

Hello, I fixed it by updating the firmware to a newer version. The topic can be closed. Thank you.

please share link of firmware which support mqtt at command for quectel m66

Dear Wasi785,
Thanks for your inquiry in Quectel forum.
If you want to get the firmware which can support MQTT command, you should share the current firmware that you used now. Then we can share the right link with you. Thanks!

Hello, I have M66 chip with this version:



Revision: M66FAR01A12BT



Revision: MTK 0828

Would it be possible to send me firmware which supports MQTT and how to flash the new fw ? Thanks.

hii, now my module is working fine…thanks for support.


my current firmware is M66FAR01A12BT,

Where can I download new one that supports MQTT

I will send you the FW via email,please check the email.

Hi Winnie,
We have the following firmware version M66FAR01A12BT. Does it support MQTT?
If it doesn’t can you send share the link for new version?

Also, please help us out with implementing the same on M66 OpenCPU? We are running on a tight deadline. It would be very kind of you if you can help us out


It does not support MQTT. I will send you the FW via email,please check the email.