[ Memory size : User memory is less than the total memory due to storage of the operating system and software used to operate the phones features. Actual user memory will vary depending on the mobile phone operator and may change after software upgrades are performed. ] *External Memory may be used to store media (photos, video, and music files) but application storage on external device may be limited or unavailable on certain handset models. *Features - Some Samsung Health/Fitness applications and related software is not intended for use in the diagnosis of disease or other conditions, or in the cure, mitigation, treatment, or prevention of disease. *Data - Internet connection required data and subscription charges may apply. Content subject to availability. Notice to our customers - safe battery use (certain Mobile devices don’t have removable back covers and customer removable batteries- Battery is a Service replaceable part and not a customer replaceable part and special tools are required). In case of repair, Devices without removable batteries should be booked with a Samsung Authorised Service Centre. Use only Samsung-approved accessories. Please purchase Samsung-branded batteries from reputable and approved sellers to ensure the batteries are not counterfeit. Using unapproved accessories will not be covered by the warranty, and may cause performance problems and malfunctions as well as damage the device.