Palm Treo 180 / 180g
This PalmOS smartphone is notable for its small size and mini-keyboard. Unlike competing models from Kyocera and Samsung, the Treo is a GSM world-phone. It is also upgradeable to GPRS, for high-speed, always-on data.
A 180g variant is also available with Graffiti handwriting recognition in place of the mini-keyboard.
Sharp FX
This replacement for the QuickFire adds live mobile TV, video sharing, a 3.5mm audio jack and steps up to a 2 megapixel camera. Other features are similar for this affordable messaging phone, incuding touch screen, 3G data, sliding QWERTY keyboard, GPS navigation and memory card slot.
Sharp Kin One
This unique CDMA phone sports Microsoft's all-new Kin interface and service with social networking integration and easy media sharing. Key hardware features include capacitive touch display, QWERTY keyboard, 5-megapixel auto-focus camera, 4 GB of memory, WiFi, EVDO Rev. A 3G data, and Bluetooth.
Sharp Kin Two
Sharp Sidekick LX 2009
This significant update to the Sidekick LX is thinner, while adding 3G data, GPS, social networking apps, and stepping up to a much higher-resolution display and camera. Other features include a 3.5mm headphone jack, stereo Bluetooth, memory card slot, QWERTY keyboard, and a full web browser.
Sharp Sidekick 2008
This Sidekick combines the best features of the earlier iD and LX models - including a high-resolution display and changeable custom covers - in a smaller, lighter body. 2 megapixel camera with video capture, and stereo Bluetooth have also been added. Other key features include 3.5mm headphone jack, memory card slot, and QWERTY keyboard.
Sharp Sidekick LX 2007
Sharp Sidekick iD
This affordable addition to the Sidekick family features user-changeable rubber color bumpers. Based on the higher-end Sidekick 3, features in common include a trackball for navigation, large screen that swivels to reveal a QWERTY keyboard, speakerphone, and a full web browser.