Please refer to the to learn more about backing up your personal data.
To be safe, it is best practice to always back up all data in the event that your information is lost.
Back Up Your Information This software update was designed to apply an update to the operating system of the device while leaving certain types of user data intact, including pictures, videos, and contacts. Android 4.1, Jelly Bean, improves on the simplicity and beauty of Android 4.0, and introduces a new Google search experience on Android. Samsung Galaxy Rugby LTE™ - Android 4.1.2 Jelly Bean Upgrade Android™ 4.1.2 Jelly Bean upgrade is available for the Galaxy Rugby Pro™ (SGH-i547). Samsung Galaxy Note (Korea) SHV-E160K Mobile: Galaxy Note (Korea) Model: SHV-E160K System Version: Jelly Bean 4.1.2.
