The update, which is being incrementally rolled out now, allows you to effectively use your device like a walkie-talkie. As detailed in a OnePlus community forum post, the update adds the ...

Nokia Lumia 638 mobile was launched in June 2014. The phone comes with a 4.50-inch touchscreen display offering a resolution of 480x854 pixels. Nokia Lumia 638 is powered by a 1.2GHz quad-core ...

Designed with Businesses in mind, EVO PTT is a complete Walkie Talkie (Push To Talk) solution that provides: Safe communication of users and supervisors with the EVO PTT Android App. Easy ...