The Samsung SPH-i325, or Samsung Ace is a Windows Mobile based smartphone manufactured by Samsung. It was marketed in the United States for use on Sprint's mobile phone network.
The phone contains both a CDMA radio for use within the USA and a GSM radio for overseas roaming.The SPH-i325 has a candybar style design and a 320x240 resolution screen. A QWERTY keyboard with the numeric keys overlaid on keys in the third to fifth column of the keyboard is used for input.
Sprint offered a software patch that allows users to update Windows Mobile from version 6.0 to 6.1. This patch also enables the phone's embedded GPS chip.