Does 5G use a different SIM card?

I’m already using 5G on my phone, why do I need to change my SIM? T-Mobile recently launched new 5G standalone technology which will enable our customers to get more 5G in more places when using a compatible SIM and device. The SIM card you are using is not compatible with this new 5G standalone technology .

SS7 is still the dominant protocol technology in use , and although Diameter adoption is growing, 5G will introduce HTTP/2 to the Mobile core. Never before were Mobile networks so vulnerable to attacks from the connected world.

In particular, 5G’s replacement of the permanent and easily-tracked IMSI with the temporary and encrypted Subscription Concealed Identifier (SUCI) doesn’t happen in NSA 5G , the researchers warned.13 Ağu 2021