Hisense MSD6586 - TV Board Has Had Mboot Software

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4.2.4 Mstar Tool upgrading
Mstar Tool upgrading includes two states: one is TV board has had Mboot software,the
other is TV board have no Mboot software.
TV board has had Mboot software:
If TV board has had mboot software already, now need update a new one. It is
important to stop serial port at first. as following.
Run the SecureCRT ,Pressing the “enter” key and at the same time AC power on the TV,
then get into mboot interface to
appear <<MSTAR>># promoting character.
Behind the <<MSTAR>># input “du” then “enter” to ensure.