There is something not clear to me.
Tefore to apply any hack or install samygo, it is very recommended to put Serial port debug and watch dog OFF.
Aim of this would be that in case of brick we can upload via the serial link the FW as new.
For the ES series, I have not found any tutorial that say if this is possible.
For some samsung Series, it seems possible to use a tool named Samsung Set-top Box Upgrade and with the right file it is possible to restore the TV as original.
Is this the case also for the ES series ?