The Palm Treo/ˈtriːoʊ/ (stylized as Trēo) is a discontinued line of smartphones originally developed by Handspring, which was bought by Palm, Inc. They were then manufactured and maintained by Palm, Inc. Treos had a number of integrated features such as the ability to check the calendar while talking on the phone, dial directly from a list of contacts, and send email messages. The final models included a built-in camera. Treos ran Palm OS, but later models also ran Windows Mobile. The Palm Pre, released in June 2009, replaced the Treo series.
Treo devices
A total of nineteen Treo models were released, listed below in reverse chronological order. Treos through the 680 series used Palm OS. Beginning with the 700 series, Treos ran both Palm OS and Windows Mobile. The Treo 700w was the first of the 700 line, and the first Treo to use Windows Mobile. On August 19, 2008, Palm released the last Treo device, the Treo Pro on GSM. The Treo Pro on CDMA began sales in March 2009.
TFT touch screen display with a 320 × 320 pixel resolution, Windows Mobile 6.1 Professional Edition OS, preloaded with Microsoft Office Mobile Professional 6.1, 2.0 MP camera/camcorder, 256 MB user memory/128 MB program memory (expandable via microSDHC slot up to a supported memory of 32 GB ), stereo Bluetooth 2.0+EDR compliant, one touch Wi-Fi access (802.11b/g), integrated GPS, 3.5mm headphone jack.
GSM bands: 850/900/1800/1900, GPRS, EDGE, UMTS UMTS bands: 850/1900/2100, HSDPA. Released GSM August 19, 2008, CDMA March 2009.
First Palm Treo device with a flush touchscreen, Standalone GPS and aGPS, 3.5mm headphone jack (instead of 2.5mm), and the new "glossy" black (Obsidian) styling. Approximately 1/3" thinner than previous generation Treos. Made by HTC.[1]
TFT touch screen display of 16k colors with a 320 × 320 pixel resolution, Windows Mobile 6.1 OS, preloaded with Microsoft Office Mobile Professional 6.1, 2.0 MP camera/camcorder, 256 MB user memory/128 MB program memory (expandable via microSD slot up to a supported memory of 8 GB ), stereo Bluetooth 2.0+EDR compliant, one touch Wi-Fi access, integrated GPS.
CDMA 800/1900MHz dual-band digital voice network access, EV-DO Rev A (backwards compatible with EV-DO Rev 0 and 1XRTT). Sprint Nextel is the exclusive North American wireless carrier of the Palm Treo 800w at launch date (July 13, 2008).
First Palm Treo device to support the A2DP Bluetooth Profile, integrated aGPS and have embedded Wi-Fi. Product SKU PTR800HK.
320 × 320 pixel resolution, removable battery, 1.3 MP camera, Bluetooth 1.2, Palm OS 5
CDMA 800/1900MHz digital dual-band, CDMA2000 EvDO network, backwards compatible with 1xRTT networks. Sprint exclusive at launch date. Released October 14, 2007. For AT&T, GSM bands: 850/900/1800/1900, GPRS, EDGE
Product SKU PTR690HK aligns this phone with the Treo family, however it was branded the Palm Centro. Made by Inventec.[2]
320 × 320 pixel resolution, removable battery, 1.3 MP camera (subject to change), Bluetooth, Palm OS 5
CDMA 800/1900MHz digital dual-band, CDMA2000 EvDO network, backwards compatible with 1xRTT networks. First CDMA Treo to lose aerial antenna. Released May 2007.
240 × 240 pixel resolution screen, originally 32MB RAM, updated to 64MB[citation needed], Bluetooth 1.2 wireless support, removable battery, 1.3 MP camera, Windows Mobile
CDMA2000 EvDO network—backwards compatible with 1xRTT network
Only a PDA, runs Palm OS 4.1H, 160×160 12-bit CSTN color display, internal battery
no phone component is built-in
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