EE just announced its biggest shake-up in years, with a record-breaking new Wi-Fi 7 router upgrade for broadband customers, and the launch of its lightning-fast new 5G network that promises to boost battery life. If you want to take advantage of this re-engineered new network, dubbed EE 5GSA, you’ll need a compatible smartphone in your pocket and upgrade to one of the EE’s new mobile plans. These new monthly plans from EE all arrive with unlimited 5G mobile data — so you’ll be able to stream music, watch TV shows from Netflix or BBC iPlayer, download podcasts, navigate with turn-by-turn direct…