The cases involve contracts bundling handsets with services. The contention is that customers who continued using the service after the minimum term ended were charged the same monthly fee, and not a SIM-only fee for continued use of the network. Plaintiff Justin Gutmann - understood to be a former executive at Citizens Advice - said he was seeking damages of more than £3 billion ($4 billion) as the "class representative" on behalf of millions of subscribers he claims were overcharged.
Blocking all A2P messages means operators are unable to distinguish between spam and legitimate service texts, affecting vital communications like bank notifications and two-factor authentication.