One touch access to music, room for your favorite music up to 3000 songs and 3.5mm audio jack for stereo headphones are few of the features that defines the Nokia N91 is defined. Coming in the length of 113.1 mm, width (max) of 55.2 mm, thickness (max) of 22 mm and weight of 164 kg, the mobile phone is fully equipped with tools and support services. The phone operates in the frequency of GSM / GPRS / EDGE 900/1800 / 1900MHz and WCDMA 2100 (not available in the US). The Nokia Nseries product, the Nokia N91 has the data transfer speed of 384 kbps in WCDMA and 236.8 kbps under the GPRS / EGPRS. The Nokia N91 runs in the S60 software on Symbian OS.
It has a color display of 176 x 208, 262k color, automatic brightness control for display and keypad, music keys – Play / Pause, Forward, Back, Stop – to switch easily between music player and last used application with dedicated key. Moreover, it has two configurable soft keys for Send and End, 5-way configurable navigation key, keys for S60 (Menu, Edit, Clear), ITU-T (number / Device lock switch. Coming to the memory aspect of the phone, it boasts of 4GB of internal dynamic memory for music content (up to 3000 songs – conditions does apply), multimedia messages, ringing tones, images, video clips, and applications; additional 30MB of storage for contacts, calendar notes and events, text messages.
The users of the phone can keep contacts database with support for multiple phone and e-mail details per entry, can enjoy speed dialing; and keeps lists of his dialed, received, and missed calls; automatic redial and also conference call. The phone comes with the standby time of GSM up to 190 hours, WCDMA up to 170 hours; and talk time of GSM up to 3 – 4 hours WCDMA up to 2.5 – 3 hours. It is to be noted that battery talk and standby times depends on many factors like network configuration, signal strength, features used, battery age and condition, charging practices, temperatures to which battery is exposed.