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I have G400 with a firmware version 83-04-21 , and i want to upgrade it to 83-05-22

Question asked by Mohamed b Essam on Apr 20, 2018
Latest reply on May 2, 2018 by B923M0XK

is it possible and can be done in one process, or should i upgrade t a transient version before going to 83-05-22 ?

plus if there any pdf or ppt prove it .  Thanks