the consumer update tools cannot back up your current firmware, and from what i found trying to recover my mp4 device, it is not posible to back up the current firmware from a rk2608, i think it is posible with rk27xx devices, but not with rk2608 chipset, at least that's what i found. if your 2608 device is working firmware, do not update the firmware to try make your device work better, update it only if you need to recover it.
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