Because firmware files are highly specific to the exact model and hardware revision of your device, there is no single, universal Mxtronics firmware link. Flashing the wrong firmware can "brick" (permanently disable) your hardware. To secure the correct, official download:
Could you specify the of the device you are trying to update? Firmware Upgrade via a microSD Card - Novo Support mxtronics sd card firmware link download
You don’t need the original card. The firmware file itself is all that matters. Download a fresh copy using the official link above. Because firmware files are highly specific to the
Depending on your device, the firmware update may trigger automatically upon power-up, or require a specific button combination. For example, many devices require you to press and hold the Power button while simultaneously holding the Volume Up or Reset button until an LED light begins flashing, indicating the flash is in progress. Firmware Upgrade via a microSD Card - Novo
(e.g., EC3A98A3 - represents the physical NAND memory) Controller Vendor
