How to update bc66 trough uart or microcontroller or linux

hi i have a linux computer and i want to update some bc66 modules but they are already solder to my pcb it it possible to update via the uart (via the microcontroller?

im using a happy gecko microcontroller

I also have a dev board but i have linux so impossilbe to use qflash is there an other option?

regards

Yep, ask PDF from Quectel support

Olimex have full updater and drivers for Linux

based of

Do you have the pdf for updating via the microcontroller because I have to finish it before monday I asked to the support but I suppose they will not answer today

Regards

sorry - it is for M66, but ask Quectel … may have