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Confirm the prompt to start the update. Do not turn off the power or unplug the device during this process, as it can cause permanent hardware failure. Troubleshooting and Post-Update Tips
Follow these steps to safely update your Qmax MST-999 H2 Mini 4 software: qmax mst-999 h2 mini 4 software update
Use a standard USB stick formatted to FAT32 . Confirm the prompt to start the update