one option is to take it to another dealer.
some users have reported success with complaining about the rearview camera - that has the dealer upgrading all the software and bringing you up to latest NBT_Evo version (i believe it's V, but i could be wrong) alongwith map updates etc.
i have auto map updates for the southern region and those are at 2020 - but the base maps are 2018 i think
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