The Nokia 6600i is a mobile phone that has a 2.2 inch screen that has a display resolution of 240pixels by 320pixels, and which can display 16million colours. This screen has an accelerometer sensor for auto-rotate that will allow the user to view the screen in wide screen mode, either in vertical or horizontal depending on his preferences. This handset also has a good battery which can provide 348 hours of standby time and 4hours of talk time. The Nokia 6600i also has a 5MP camera with auto focus features and dual LED flash features that will allow the user to capture amazing quality pictures and videos. It also has secondary VGA camera to allow users to have 3G video calls.

This mobile phone features a built in music player and FM radio with RDS, that will provide users with great music entertainment. With the radio function on the other hand, users can listen to different radio stations. Users may also be able to share files with other users via the Bluetooth connectivity and USB connectivity. The Nokia 6600i also has a web browser which will allow users to surf the internet using this handset.

The Nokia 6600i has 20MB of internal memory; it also has an expandable memory card slot that will allow users to increase the memory capacity of the handset to up to 16GB. It also allows its users to save one thousand names in its phonebook with photocall feature and in the call records users may also keep track of all their call activities. The Nokia 6600i has EDGE technology for users to be able to enjoy high speed data transfers.