Help Guide
How to Use
Digital Media Player
NWZ-A15/A17
Initializing/Updating
Resetting your Walkman
Reset your Walkman if operations become unstable.
Resetting to the factory settings
Reset your Walkman to the default settings.
Formatting memory
Initialize your Walkman by formatting the memory.
Updating the system software of your Walkman
Add new features to your Walkman by installing the latest system software.
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