NEC e228 Product Manual page 103

Folder
Sound files
PIM data
Other files
The maximum number of files may change according to the memory card capacity and the actual memory usage.
Do not remove the memory card while you are displaying the folder/file list or altering a folder on the memory card.
Removing the memory card while accessing a folder or files may damage the memory card and the phone.
Using the File Manager
Description
Data type: Downloaded and captured voice files
Supported files: AMR and WAV
Maximum number of files per folder: 100 (including the number of user
folders)
Maximum number of user folders: five
No files can be stored directly under PIM data. The default folders are as
follows:
Calendar files
Data type: Calendar entries
Maximum number of files: 100
To Do files:
Data type: To Do entries
Maximum number of files: 100
Downloaded files with formats other than the above are stored here. Up to
100 files can be stored under this folder. No user folders can be created in
this folder.
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