What is the printed on the card casing?
Since MxTronics has no official public repository, these tools are community-sourced. You can find them on specialized forums like FlashBoot.ru , USBDev.ru , and MyDigitalLife (bbs.mydigit.cn) . Exercise caution when downloading files from these sources. mxtronics sd card firmware link download
: If your card was cheap but claimed a high capacity, it might be a spoofed card. Use a tool called H2testw after flashing to verify if the restored capacity is real and stable. What is the printed on the card casing