How can i Upgrade my VU+ Duo2 Box from Blackhol 3.0.1.F to 3.0.2.H without loose my Custum Settings?

Ferri007

Vu+ Newbie
How can i Upgrade my VU+ Duo2 Box from Blackhol 3.0.1.F to 3.0.2.H without loose my Custum Settings?
(Cfg, *****, K...) if some one have a Tutorial! Thanks for help :)
 
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