Here's the full Moto E (2nd Gen.) user guide (PDF).
Warning: DO NOT REMOVE YOUR SIM CARD.
Your SIM is shipped preloaded in your phone. The SIM card is only used for Sprint LTE data service and cannot be used in another device or replaced with another SIM card in the Moto E (2nd Gen.) phone.
(Note: There may be some differences between features in the guide and Republic features.)