TL;DR Usually, I have my device locked to "2G only" for multiple reasons: saving battery-life no need for "high-speed" to simply be informed about new mail or doing the little contacts/calendar ...
I have bought a Google Nexus 7 3G Tablet. But, My country and area doesn't allow me to use 3G sims/Wi-Fi. We have only 2G sims. When I insert the sim, I can connect to the Internet. I can send and ...