Samsung SPH-i550

The Samsung SPH-i550 smartphone is the Palm OS-based successor to the clamshell style SPH-i500. The SPH-i550 has a 320 x 320 internal screen and an external OLED display. The camera takes 1 MP stills and can record video. A built-in MP3 player is controlled by external buttons without having to open the phone.

Features

Palm OS Garnet
MX1 CPU with 64 MB ROM / 32 MB RAM
CDMA1x
Clamshell form factor with dual displays, supports handwriting recognition
320 x 320 pixel, 2.3 inch, 65,536 color display
OLED 128 x 96 pixel display
3.15-megapixel digital camera with an LED flash
Supports streaming media
MP3/MPEG4 player, controlled by external buttons without having to open the phone
Web browser
Infrared remote transmit
Secure Digital memory expansion slot

A unique feature of the i550 is that all programs and data are stored in non-volatile flash memory so that a hard reset of the Palm device will not cause information loss.
As of April 2005, Sprint Corporation has for the SPH-i550. The i550 is offered by any carrier in the United States. Just weeks after Sprint canceled the phone, it was announced that the SCH-i539, a Palm OS-based smartphone by Samsung that is very similar to the i550, was available in China. The i539 is nearly identical to the i550, except that it uses a CDMA, which is similar in function to a GSM SIM card.
Evidence on the indicates that a carrier in Mexico is in trials with the i550. The devices being tested all have the Sprint logo.
A was created, but there has been no response from Sprint yet.