Offering a unique design, the P990i's numeric keypad flips down to reveal a full QWERTY keyboard, which offers easy entry of text into email and documents. The keypad offers standard navigation keys placed along the top, which consist of two soft keys, a five-way navigation toggle, a back button, and a clear button. When the keypad is flipped up, you'll see a 2.5-inch diagonal screen, but the screen grows to a full 2.8 inches when the keypad is flipped down. It also has a 240 x 320-pixel resolution and support for up to 256K colors.
This Sony Ericsson P990i mobile phone is a 3G data-enabled device, compatible with third-generation mobile networks that offer broadband-like transfer speeds - up to 384 kbps - providing quick and easy access to audio and video streaming, Web surfing, multimedia messaging, and email wherever you go. The P990i includes a secondary camera lens on the front that lets you use the phone as a video phone. During a video call (placed to a compatible phone on a compatible network), you can see a live video stream of the person you're talking to and they can see you. When the only choice around is GSM, the P990i can hop onto a GPRS data link. Alternatively, you can also switch to a Wi-Fi connection (802.11b) when you find an available wireless LAN/hotspot.
Because the Sony Ericsson P990i is a Symbian smartphone, it features solid integration of phone, contacts, and calendar applications that can be easily synchronized with other devices and services, making it very easy to bring your office with you wherever you roam. Easily edit documents you receive as attachments to emails, or that you have stored on memory card. Or use other tools, such as the alarm clock, a stopwatch, task and notes applications, a sound recorder, and a file manager. It features 60 MB of internal user memory, and you can augment this with removable Memory Stick Duo (and Duo Pro) media. This mobile phone also features connectivity via USB (USB mass storage is supported), a Sony Ericsson "fast-port" for high-speed data transfers and power charging, and infrared.
In addition to MMS and SMS messaging, the phone ships with a built-in email client with support for POP3, IMAP4, and SMTP protocols. Push email is also supported, allowing you to have instant email on your cell phone, just like on your home computer. Messages are sent directly to your phone as soon as they arrive. You can take advantage of the QWERTY keyboard for messaging, or use the device's integrated handwriting recognition to write your email and SMS messages. With a carrier data plan, you can easily connect to the Internet and browse the Web with the included Opera browser.
The Sony Ericsson P990i shines as a music player, offering a great way to listen and organize your digital tunes on the go. The in-phone media player supports video and audio playback - supported audio formats include MP3 and AAC. There's even an application, Music DJ, that allows you to compose your own musical ringtones. The Mega Bass sound enhancement makes your low notes really thump. It also supports Java-based games, as well as sophisticated 3D games that make the M600i great to have along when you need to turn downtime into fun time.
Vital Statistics: This mobile phone - Sony Ericsson P990i, measures 4.4 x 2.2 x 1 inches and weighs 5.3 ounces. It runs on the 900/1800/1900 MHz GSM/GPRS and 2100 MHz UMTS frequencies. Battery life is rated at 9 hours of GSM talk time (3 hours of UMTS talk time) and 340 hours of standby time.