Vodaphone are switching off 3G network this year.
I have a 4G compatible phone with Talktalk Mobile Essential SIM (the one that was free, but now £5 discounted to £3 per month).
After the 3G is switched off, will the SIM be compatible to work with my 4G phone on the 4G network, or will I be pushed on the Slow 2G?
In other words is my SIM 4G compatible as is my phone. My phone auto connects 4G/3G/2G.
