why wont kies update my phone .?

[queenArmi]

hey guys ^^ I was just wondering if I update my sc-04f (docomo variant of the s5) will it get locked back to its docomo sim card ? the guy I bought phone from says that I will be fine but I just wanted to be sure (it's a genuine phone dont worry)

also
I tried to update this yesterday using samsung kies
the update did not show up. any clues to why this happened and how I can update my device ?

 

[chennaite]

I tried to update this yesterday using samsung kies
the update did not show up. any clues to why this happened and how I can update my device ?

From what version you are upgrading from? Are you looking for Marshamallow? Try smart switch for samsung to update.