Nokia planned to launch the successor of N91 in 4Q 2007. The phone, namely N81, is a slider phone with 8GB built-in memory. It also support Wi-Fi and EDGE with 2100 HSDPA for high speed download, as well as Bluetooth for simple and easy exchange data.

Running on S60v3 FP1, the N81 comes with features list below:
- Form factor: slide
- Dimensions: 102 x 50 x 17.9 mm
- Weight: ~ 140g
- Memory: 8GB internal flash memory
- Music Playback time: up to 12,5 hours
- Gaming time: up to 3-4 hours
- Talk time: up to 3-4 hours (3G)/3-4 hours(GSM)
- Standby time: up to 15 days
- Main Display: 2.4″QVGA 240×320, 16M colors
- Main Camera: 2Mpix
- Second Camera: CIF








