I disconnected the power supply while updating firmware 1.6.39ww. It came out message, firmware mismatched. Device is about to shut down. I format the SD card to FAT32 and copy downgrade version 1.0.17ww to SD card and insert it to the device. The error message still there. What should i do?
Help! Request 1.6.39ww 70mai firmware download link
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