Question: what is the difference between a 2g and 3g sim card?
Answer: The major difference between 2G and 3G SIM cards lies within the rate of data usage and transfer. In 2G SIM cards with GPRS/EDGE, data services can transfer between 56 and 236.8 kilobits of data per second. ... This makes 3G SIM cards better for downloading data like Web pages and multimedia.