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Before updating the device software, it is recommended that you back up the device memory to ensure that no data is lost. It can also be useful to back up the device memory regularly to ensure that no data is lost in case of defects, crashes etc. Follow these instructions to back up the memory.
Before you can back up the device memory, you need to install the program Samsung Kies on your computer.
Connect device and computer
Back up memory
Select the required data types to select them.
If required, follow the instructions on the screen to select more settings for the data type.