Quectel sc20 firmware

Hello, I have a device that using quectel sc20 module. Accidentally I erase aboot via fastboot and the device will not go to fasboot mode or any other mode for installing new OS. I need to reinstall firmware, where can I download the firmware for android 8.1?

Hi Nima,
Are you an individual developer or a corporate client? Where did you buy our equipment from? Generally, you can get technical support from the seller.