First, a quick reality check. The official, final version of Pokémon Omega Ruby and Pokémon Alpha Sapphire is (often written as 1.4, Update 14, or Patch 1.4). There is no official Update 1.5, 2.0, or 14.0 . The number "14" in searches usually refers to "1.4" being misinterpreted or typed as "14."
If you are using an emulator like or Lime3DS , you cannot use the eShop. You must manually install an update file, typically in .cia format. pokemon omega ruby 14 update download hot