EC200U CNAA firmware file and how to update it

i want to use dual sim option on quectel EC200U CNAA but for that i need to update latest firmware in the module so, how can i do that means where i can find latest firmware file and how to upgrade firmware.

Hi @Noor_Akhunji
Can you use the AT+QGMR command to query the current firmware version number? Are you using the module under Windows or Linux? Also please give me your email, I can send you the firmware package and upgrade tool.