Before attempting an update, you must identify which system you have, as the update methods differ:
Obtain the correct update file:
Unlike modern Teslas or even newer Vauxhalls/Opels, the Adam does not support Over-The-Air (OTA) updates via Wi-Fi for the OS. opel adam intellilink update download best
Even with the download, things can go wrong. Here are fixes: Before attempting an update, you must identify which