The following lines were added (+) and removed (-):
3G Data phones do not use SIM cards.4G Data phones utilize a SIM card. Verizon, for example, states, "''All Verizon Wireless 4G Certified Devices will need a Verizon Wireless Subscriber Identity Module (SIM) Card. 4G SIM Cards are required for Verizon Wireless 4G LTE service.''" See [http://support.verizonwireless.com/information/4gsim.html 4G SIM Information].