Spesifikasi Nokia C5-03 dan Fitur Nokia C5-03:
- Dimensi dan berat 10,5 x 5,1 x 1,3 cm93 gram
- Layar TFT resistive touchscreen, 16M colors
- Ukuran layar 360 x 640 piksel, 3.2 inci
- Memori 128 MB (RAM) 40MB (storage internal), microSD, up to 16GB (kartu slot)
- Konektivitas 3G HSDPA 10.2Mbps; HSUPA 2Mbps, Wi-Fi 802.11 b/g, UPnP technology, Bluetooth v2.0 with A2DP
- microUSB v2.0
- Kamera 5 MP, 2592 x 1944 piksel
- Video Ada, VGA @ 15fps
- OS Symbian OS v9.4, series 60 rel. 5
- Browser WAP 2.0/xHTML, HTML, RSS feeds
- Radio Stereo FM radio
- GPS Ada, A-GPS support; Nokia Maps
- Fitur Java MIDP 2.1
- MP3/WAV/eAAC+/WMA player, MP4/H.263/H.264/WMV player
- Organizer
- Voice command
- Photo editor
- Flash Lite 3.0
- TV-out
- T9
- Baterai Li-Ion 1000 mAh11,5 jam (talktime/2G), 600 jam (stand-by/2G), 35 jam (memutar musik)