Apple Phil Schiller talks about iPhone 4S during announcement at Apple headquarters in Cupertino, Calif., Tuesday, Oct. 4, 2011. (AP Photo/Paul Sakuma)
Users of the iPhone 4 on Verizion previously had to hope that they were in a country that supported CDMA data.
Verizon will offer free unlocking of the iPhone 4S after the first 60 days that users have been on the network.
The unlocked Micro SIM slot will allow iPhone 4S users on Sprint or Verizon to install a local sim wherever they travel and potentially save themselves a lot of money.