A:
Hi! Thanks for your question.
Sprint is a CDMA carrier and doesn't use SIM cards. The LTE phones use SIM tech for LTE networks, but your Motorola Photon has no SIM card in it. Now, Micro SD Cards, they could be used in both.
If you have any further questions on this issue or would like to speak with a live agent, please call: 1-888-BESTBUY