The 10.0.5.1(H612SP1C00) firmware represents the "gold standard" for the Go to product viewer dialog for this item.
is a significant update for the Huawei H122-373, transforming it from a carrier-controlled gateway into a genuinely flexible 5G router. It prioritises stability and advanced user control. However, its anti-rollback protection means you should treat it as a one-way upgrade. huawei h122-373 firmware 10.0.5.1-h612sp1c00- universal