Can't you just return it? It worked until the upgrade, then it didn't, the update took away a functionality you bought it for, so you can either request a downg

Can't you just return it? It worked until the upgrade, then it didn't, the update took away a functionality you bought it for, so you can either request a downgrade to a working firmware or a refund? It would be an interesting case for courts indeed and solve a lot of future problems for consumers.