IMPORTANT: This article applies only to specific products and/or operating systems. Check the Applicable Products and Categories section of this article before starting these steps.
The built-in battery of the portable player should be replaced when the battery life is less than half, even when it has been fully charged.
NOTE: The built-in battery can be changed by consulting the place of purchase or by an authorized service center. Begin the procedure to send your Sony product into a Sony facility to be repaired.