Samsung Z400, and LG LX-400. All of the phones feature Nextel Direct Connect service, also known as "walkie-talkie", push-to-talk, or the abbreviation PTT. (At various points, Sprint's specific ...

Samsung has just dropped a new Walkie Talkie app for the Samsung Galaxy Watch 4 and Samsung Galaxy Watch 4 Classic following their launch last week. Now available to download, it enables users to ...

The headline feature is the phone's ability to function as a walkie-talkie, supporting both mobile ... a 200-megapixel main ...