How can the video and audio files in the Galaxy Note2 SD card be played out? (n7100,n7102,n7108,n719)

related applications in your device generally support the following file formats:

• Music: mp3, M4A, MP4, 3GP, 3GA, WMA, OGG, OGA, AAC and FLAC.

• Image: bmp, GIF, JPG, and PNG.

• Video: 3gp, MP4, AVI, WMV, FLV and mkv.

• File: doc, docx, xls, xlsx, ppt, pptx, pdf and txt.

In addition, some file formats are not supported and may be related to the software version of your device. Please download kiesfrom Samsung tocheck the current software version of the device to upgrade the latest version.

about External SD card, there are the following points to note:

1. Depending on the storage card manufacturer and type, your device can use a maximum capacity of GB of memory cards.  

2. Some memory cards may not be compatible with your device.

3. using an incompatible memory card can damage the device or memory card, or it may damage the data stored in the memory card.

4. Be careful when inserting a memory card, be sure to insert the storage card in the correct way.

5. The device only supports the FAT file system of the memory card . When you insert a different file system's memory card, the device asks if you want to reformat the memory card, and make sure to back up the saved files on the storage card before processing.