Adapun spesifikasi Nokia Asha 308 adalah sebagai berikut :
- 2G Network GSM 900 / 1800
- Dual SIM, Easy swap SIM support (no reboot required)
- Dimensi 109.9 x 54 x 13 mm, 67 cc
- Berat 104 g
- Layar 3,0 inchi (~155 ppi pixel density), Type TFT capacitive touchscreen, 56K colors, Size 240 x 400 pixels, Multitouch, Protection Scratch-resistant glass
- Alert types Vibration, Polyphonic(64), WAV, MP3 ringtones
- Loudspeaker
- 3,5mm jack
- Phonebook 2000 entries, Photocall
- Call records
- Internal memori 20 MB
- microSD, up to 32 GB
- RAM 64 MB
- GPRS Up to 85.6 kbps
- EDGE Up to 236.8 kbps
- Bluetooth v3.0 with A2DP
- microUSB v2.0
- Kamera 2 MP, 1600 × 1200 pixels, yang bisa buat merekam Video 176 × 144 @ 13fps
- Sensors Accelerometer
- Messaging SMS, MMS, Email, IM
- Browser WAP 2.0/xHTML, HTML
- FM radio with RDS, FM recording
- Games + downloadable
- Java MIDP 2.1
- SNS integration
- Video player MP4/H.264/H.263/WMV
- Musik player MP3/WAV/WMA/AAC+
- Organizer
- Voice memo
- Predictive text input
- Battery Li-Ion 1110 mAh (BL-4U)