Sony NW-A100TPS Help Manual page 24

The microSD card will pop out.
5.
Remove the microSD card. Then, close the microSD card slot cover.
Note
On the player, you cannot exchange data between the player memory and a microSD card.
If the player does not recognize the microSD card, remove and reinsert the microSD card into the player.
Do not insert any object other than a microSD card into the microSD card slot.
If the inserted microSD card contains a large amount of data, it may take about 10 minutes or longer for "Music player" to build
the database.
When you remove the microSD card, the following information will be deleted.
The content that is currently being played.
The playback position.
Tracks and the playback order on the play queue screen.
When you remove the microSD card, the following information will disappear.
Favorite information for tracks on the microSD card.
Bookmark information for tracks on the microSD card.
Formatting a microSD card will delete all data stored on the microSD card. Save a backup of important data.
The contents of the Help Guide may be subject to change without notice due to updates to the product's specifications.
Related Topic
Notes on microSD cards
Formatting a microSD card
5-006-032-11(1) Copyright 2019 Sony Corporation
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