Motorola Rizr (, styled RIZR) is a series of slide mobile phones from Motorola, and is one of the series in the 4LTR line. The first model was released in late 2006. It is a sliding phone (in the style of competing Samsung and LG phones), where the numeric keys are hidden beneath the screen of the phone when closed. Z3 The Motorola Rizr Z3 was released in July 2006. Design and appearance The Rizr Z3 uses a technical form factor, where the user can push on a plastic push bar located under the screen in order to open the phone. When opened, the top portion slides upwards, revealing the standard keys (including numeric, star, and pound keys). These keys are covered when the phone is closed, but the remaining keys, including the side keys, can be used normally once the keypad is unlocked; such keys can be set to automatically lock shortly after the device is closed to prevent accidental activation when in a purse or pocket. It also has 2 mini lights, located at either side of the Motorola logo above the screen. The mini light on the left (from the user's point of view) is a green charging light, which displays when the phone is charging and the mini light on the right (again also from the POV) is a blue bluetooth light displayed in periods when connected to an audio device (e.g. bluetooth headset, earpiece etc.) or flashes rapidly for a short time when another bluetooth device requests a file transfer. One of the primary uses of the device when closed is as a landscape still or video camera. When operating in landscape mode, the user holds the phone on its side (90 degrees counter-clockwise), such that the camera key is positioned near the right index finger. The screen text and icons are also rotated, so that they appear normally when held in this fashion. This gives the impression of the phone being more like a traditional camera. The Rizr Z3 is available in three colors, black, blue, and pink (as a T-Mobile Online Exclusive). A chronic problem of the center select button cover falling off was reported by many users, although the button cover is not necessary for the button to work. Another problem found is that when charging the phone when it is shut down, and then the charger is taken out, it makes