A portion of phone memory storage is dedicated to the operating system and required services. As a result this portion of memory is not usable by applications, pictures, videos or other personal data.
1iPhone 7 and iPhone 7 Plus are splash, water, and dust resistant and were tested under controlled laboratory conditions with a rating of IP67 under IEC standard 60529. Splash, water, and dust resistance are not permanent conditions, and resistance might decrease as a result of normal wear. Do not attempt to charge a wet iPhone; refer to the user guide for cleaning and drying instructions. Liquid damage not covered under warranty. 2Data plan required. LTE Advanced and LTE are available in select markets and through select carriers. Speeds are based on theoretical throughput and vary based on site conditions and carrier. For details on LTE support, contact your carrier and see www.apple.com/iphone/LTE. 3iPhone 7 and iPhone 7 Plus in jet black are only available in 128GB and 256GB models.