Thread solved by myself.
i learn how to put backup images through u-boot command prompt near to emmc, without any working diags, fasboot, and bist.
only plain uboot.
now i have clean 5.8.0, after bricked 5.9.4
tomorrow go to 5.8.11 w/jail
now i go to sleep after slleepless 0x48h... eeh... 48 hours
