@ng6333 Thank you. Not related to 3G shutdown and works with all devices if I substitute in a SIM using Telstra. Some of the devices like TV have no knowledge of 3G or 4G. Was set to static Vodafone...

I have a similar issue. Was working fine for many months until a few days ago after which some devices (Phones, TV, TP-Link Cloud & Firmware upgrade on Modem) would connect, but had no internet...