Motorola Droid RAZR M 4G LTE review: specs and price

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Damage resistant glass (such as Corning Gorilla Glass or Asahi Dragontrail Glass) is thin, lightweight, and can withstand high levels of force.

The bigger the screen size is, the better the user experience.

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The device has a display with three full subpixels per pixel, resulting in a sharp and crisp picture. Pixels in some displays (like AMOLED) share one subpixel to preserve space. This can result in a less crisp, slightly blurred image.

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AMOLED displays, also known as active matrix OLED displays, offer higher refresh rates and consume less power than other types of displays.

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The device has a standard memory slot (such as an SD or micro SD card slot) so that you can either extend the internal storage with affordable memory modules or you can retrieve data, such as photographs, easily from a memory card.

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The maximum resolution available for videos shot with the main camera. Although it may be possible to choose among other frame rates, those recordings usually have lower resolutions.

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A flash is good for low-light environments, and can sometimes be used as flashlight.

A front camera, also called secondary camera, can be used for video chats/selfies.

CMOS image sensors are slowly replacing CCD sensors, due to reduced power consumption and better image quality. They can be very compact and cost relatively little to produce.

With a standard mini jack socket, you can use the device with most headphones.

More microphones result in better sound quality and enable the device to filter out background noise.

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A built-in FM radio tuner allows you to listen to most of the live-broadcasted FM radio stations without using the internet.

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An indicator shows you when the device has low battery.

The battery can be recharged and used over again.

Offline voice recognition enables you to perform voice actions, like dictating texts or using various voice commands, without an internet connection.

Anyone is free to use, copy, study, and change the software in any way, and the source code is openly shared so that people are encouraged to voluntarily improve the design of the software.

If an app has sharing capabilities and the developers have indicated it, the app will automatically appear in your list of sharing options. Some OS’s limit direct sharing options to a select few apps, which means you have to open apps separately in order to upload the files you want to share.

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Built-in FM transmitter allows you to wirelessly stream music from your device to any radio, e.g. in your car, at a predefined frequency.

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24p is a video format (24 frames per second) traditionally used in cinema. Nowadays, it is used to create film-like motion characteristics.

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AVCHD (Advanced Video Coding High Definition) is a file-based format for the digital recording and playback of high-definition video. It's a standard popular among professional cameras and camcorders.

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A system camera has lots of changeable parts such as lenses, flashes and other accessories. They offer greater flexibility than compact cameras.

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