Motorola DROID RAZR XT912 is also known as Motorola DROID HD, for Verizon, it called as DROID RAZR XT912, but for Rogers, it called as Motorola RAZR only. This smartphone work on GSM network and CDMA network, it support for 2G and 3G. On 2G network, it work on GSM 850 / 900 / 1800 / 1900 and CDMA 800 / 1900 while for the 3G network, it work on HSDPA 850 / 900 / 1900 / 2100 and CDMA2000 1xEV-DO. Not just 3G network, for Verizon, it also support for LTE 700 MHz Class 13 - for Verizon (4G network). It was announced on 2011, October and released in 2011, November. 

The dimensions of Motorola DROID RAZR XT912 is 130.7 x 68.9 x 7.1 mm with weight about 127 g. For the display, it use Super AMOLED capacitive touchscreen with 16 M colors. The screen resolution is 540 x 960 pixels and the screen wide is 4.3 inches. In this section, Motorola include the protector i.e Corning Gorilla Glass.

In the sound section, Motorola DROID RAZR XT912 support for MP3 and WAV ringtones. It also equipped with loudspeaker to listening music and make a call in the noisy places. You can also connecting this smartphone with another audio processor to listening music loudly, for example with an audio amplifier because it has 3.5 mm audio jack.

For data storage, Motorola include the external memory card slot for microSD card, the maximum space that recognized by the system is up to 32 GB. When you buy the Motorola DROID RAZR XT912, you will get the 16 GB microSD card for free. Besides the external memory card slot, this phone also equipped with 16 GB internal memory to store your data like photos, videos, music, applications, etc. To support the system performance, DROID RAZR XT912 system supported by 1 GB of RAM.

About the connection types, you can connected to the internet via GPRS, EDGE, and 3G network. The GPRS class of Motorola DROID RAZR XT912 is Class 12 (4+1/3+2/2+3/1+4 slots), 32 - 48 kbps. To get faster connection, you can do it via 3G network, it support speed Rev. A, up to 3.1 Mbps, LTE, HSDPA, HSUPA. Another way to connected to the internet is via Wi-Fi 802.11 b/g/n, DLNA, Wi-Fi hotspot. To exchange data with another gadgets like computer or laptop, you can do it via Bluetooth or USB port.

Some features or key features that offered by Motorola DROID RAZR XT912 including camera with 8 MP quality and the resolution is 3264 x 2448 pixels with autofocus and LED flash. Some features that are pinned to the camera are Touch-focus, geo-tagging, face detection, image stabilization. For video recording, the DROID RAZR XT912 camera has quality 1080p@30fps, 480p@120fps. It also has secondary camera with quality 2 MP. Another features that owned by this phone including browser that support for HTML and Adobe Flash documents, GPS that support for A-GPS, HDMI port and many others.

You can read the full phone specification of Motorola DROID RAZR XT912 from the specification table below.

The user Manual here

Motorola EX226 is a dual SIM card cell phone from Samsung mobiles, it work on GSM network and use QWERTY keyboard as the input method. It also support for 3G network, but just for the SIM 1. It was released to the market on 2011, Q4.

Some features that owned by Motorola EX226 including 3.15 MP, 2048x1536 pixels camera, Stereo FM radio with RDS, MP3/WAV/AAC player, MP4/H.263 player, and others. The table below provide the full phone specification as a buyers guide. Please read the specs.

The user manual and user guides document for Motorola EX226 here