Getting Started Set Up Your Phone 11n If the device is dropped or receives an impact, the water and dust resistant features of the devicemay be damaged.n The touchscreen and other features may not work properly if the device is used in water or inother liquids.SD CardYour phone supports the use of an optional SD card (not included) to expand its storage capacity.Some cards may not operate properly with your phone.SD Card CautionsData: Information stored on an SD card can become lost or changed accidently or as a result ofdamage. It is recommended that you keep a separate copy of important data. Sprint is notresponsible for damages from data that is lost or changed.Reading/Writing Data: Never power off or remove the battery while reading or writing data.Battery Level: A low battery charge may prevent reading/writing to an SD card.Handling SD Card: Use/store SD cards away from the reach of infants. SD cards may causechoking if swallowed.Insert an SD CardFollow these steps to insert an optional SD card (not included). Make sure to power your phone offbefore inserting or removing an SD card.Note: To improve performance and reliability with High-definition video recording and playback, it isrecommended you use a memory card (SD card) that is both rated as at least a Class 10 andprovides a high read speed.Caution: Exercise care when using the removal tool to eject the internal SIM card/Memory cardtray.1. Insert the removal tool into the hole on the SIM card/Memory card tray, and push until the traypops out.