Need help about my box

I buy my box recently and I couldn't do any job with it.When I connect box without or with phone always same error



Z3X EasyJtag Software ver. 1.5.9.0

Loading eMMC Addon Firmware... IO: 1850 mV

Box S/N: xxxxxxxxxxxx, ,FW Ver.: 01.50

CMD Pullup Level:4919 mV

CMD Active Level:5073 mV

Can't init EMMC, Reason: CMD Timeout Error

===================================

Done.



Any advice

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