Do not skip versions. If you have Ver. 1.1.2, but the Expansion Pack requires 1.3.0, you must find the specific UPD NSP for your region. Install the latest update NSP found in “super robot wars 30 switch nsp asia jpn dlc upd” collections.
For on the Nintendo Switch, the "Asia" and "Japan" (JPN) releases are essentially the same software, but managing their DLC and updates requires specific steps due to regional eShop coding. 1. Version Compatibility (Asia vs. JPN) super robot wars 30 switch nsp asia jpn dlc upd
The Asia English physical release is actually coded to the Japanese (JPN) region . This means that regardless of whether your box art is in English (Asia) or Japanese (JPN), the software typically requires a Japanese Nintendo eShop account to redeem codes or purchase DLC. Do not skip versions