get_dev_info:
Raw device info:
 44 45 56 49 4e 46 4f 80 00 00 00 00 00 00 00 00 DEVINFO.........
 53 4f 4e 59 20 20 20 20 4e 57 2d 41 32 30 53 65 SONY    NW-A20Se
 72 69 65 73 20 20 20 20 31 2e 30 30 30 33 20 20 ries    1.0003
 20 31 36 47 35 31 37 35 34 35 36 00 00 00 00 00  16G5175456.....
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
 00 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
Vendor identification: SONY
Product identification: NW-A20Series
Product revision: 1.00
Product sub revision: 03
Storage size:  16G
Serial number: 5175456
Vendor specific:

get_dhp:
Destination/Headphones:
 03 01 00 00 43 4e 52 48                         ....CNRH

get_dpcc_prop dev_info:
An error occured during request

get_dnk_nvp shp:
Model: NW-A25
Series: NW-A20 Series
shp (node 12,ship information):
 03 01 00 00 01 00 00 00 ff ff ff ff ff ff ff ff ................
 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ................