Can I use my CDMA sim in iPhone 5 ? I am using TATA INDICOM CDMA sim.
iPhones only have GSM SIM slots.
The CDMA iPhone 5 can only use CDMA on the carrier which sold the phone. Those phones also have a GSM nanoSIM slot for use around the world.
The Sprint iPhone 5 is CDMA and has a slot. And it uses a CDMA SIM card. Plus it supports GSM too. Therefore it does work.
Source: Personal experience.