The Palm Treo (stylized as Trēo) is a discontinued line of

smartphone A smartphone is a mobile phone with advanced computing capabilities. It typically has a touchscreen interface, allowing users to access a wide range of applications and services, such as web browsing, email, and social media, as well as multi ...

s originally developed by

Handspring Handspring may refer to: *Handspring (company), a company that made personal digital assistants *Handspring (gymnastics), a gymnastics move involving forward or backward rotation of the body *Rising handspring or nip-up, an acrobatic transition fr ...

, 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 Electronic mail (usually shortened to email; alternatively hyphenated e-mail) is a method of transmitting and receiving Digital media, digital messages using electronics, electronic devices over a computer network. It was conceived in the ...

messages. The final models included a built-in camera. Treos ran

Palm OS Palm OS (also known as Garnet OS) is a discontinued mobile operating system initially developed by Palm, Inc., for personal digital assistants (PDAs) in 1996. Palm OS was designed for ease of use with a touchscreen-based graphical user interface. ...

, but later models also ran

Windows Mobile Windows Mobile is a discontinued mobile operating system developed by Microsoft for smartphones and personal digital assistants (PDA). Designed to be the portable equivalent of the Windows desktop OS in the emerging Mobile device, mobile/port ...

. The

Palm Pre The Palm Pre , styled as palm prē, is a multitasking smartphone that was designed and marketed by Palm with a multi-touch screen and a sliding keyboard. The smartphone was the first to use Palm's Linux-based mobile operating system, webOS. T ...

, 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

. Beginning with the 700 series, Treos ran both

and

. The Treo 700w was the first of the 700 line, and the first Treo to use

. On August 19, 2008, Palm released the last Treo device, the

Treo Pro The Palm Treo Pro is a combination PDA/cell phone offered in both GSM and CDMA. It is Palm's fourth Windows Mobile Treo. It replaced the short-lived Sprint Treo 800w. Specifications The phone originally was released in an unlocked GSM format ...

on GSM. The Treo Pro on CDMA began sales in March 2009. :''Officially announced models'':

References

{{Authority control Palm mobile phones Mobile phones with an integrated hardware keyboard