ComputerBox34
[H]F Junkie
- Joined
- Nov 12, 2003
- Messages
- 13,771
...and CDMALTE uses a SIM. So you need it for LTE data to work.
In LTE phones, the SIM is needed to authenticate the phone on VZW's network. If you don't have a SIM, the phone is a brick and won't receive any signal. They switched from the archaic *228(?) authentication system to this new one.