T-Mobile Pulse
Encyclopedia
The T-Mobile Pulse(sold as the CHT8000 in Taiwan) is an Android-powered phone manufactured by Huawei
Huawei
Huawei is a Chinese multinational networking and telecommunications equipment and services company headquartered in Shenzhen, Guangdong, China...

 and rebranded by T-Mobile. It is available in many markets including the UK and The Netherlands. Compared to many Android phones released at the time it was relatively low cost - originally selling for £185 in the UK, the Pulse achieved a minimum price of £19.99 + £10 top up on PAYG before being discontinued in April 2011. This made it one of the cheapest Android powered smartphones available at the time. The Pulse was also marketed as being the first Pay As You Go phone running the Android OS.

Technical specifications

  • Operating system Android, officially 2.1, can be upgraded to custom 2.2 ROMS
  • Power 4.2 V 1150 mAh (4.3 Wh
    Watt-hour
    The kilowatt hour, or kilowatt-hour, is a unit of energy equal to 1000 watt hours or 3.6 megajoules.For constant power, energy in watt hours is the product of power in watts and time in hours...

    ) Internal rechargeable removable lithium-ion battery
  • CPU 768 MHz ARM
    ARM architecture
    ARM is a 32-bit reduced instruction set computer instruction set architecture developed by ARM Holdings. It was named the Advanced RISC Machine, and before that, the Acorn RISC Machine. The ARM architecture is the most widely used 32-bit ISA in numbers produced...

    v6-capable processor, Underclocked to 528 MHz
  • Storage capacity Flash memory: 256MB with microSD slot supporting up to 16 GB
  • Memory 192 MB DDR SDRAM (Some models have 256 MB
    Megabyte
    The megabyte is a multiple of the unit byte for digital information storage or transmission with two different values depending on context: bytes generally for computer memory; and one million bytes generally for computer storage. The IEEE Standards Board has decided that "Mega will mean 1 000...

    )
  • Display 320 x 480 px, 3.5 in (89 mm), HVGA, transflective TFT
  • Input "Capacitive" touchscreen display without multi-touch feature , on-screen QWERTY keyboard, volume controls, 3-axis accelerometer, 4 front-facing physical buttons
  • Camera 3.2 megapixel CMOS Sensor with auto focus
    Auto Focus
    Auto Focus is a 2002 American biographical film directed by Paul Schrader that stars Greg Kinnear and Willem Dafoe. The screenplay by Michael Gerbosi is based on the book The Murder of Bob Crane by Robert Graysmith....

     (Rear-Facing Camera).
  • Sensors A-GPS
    Assisted GPS
    Assisted GPS, generally abbreviated as A-GPS or aGPS, is a system which can, under certain conditions, improve the startup performance, or time-to-first-fix of a GPS satellite-based positioning system. It is used extensively with GPS-capable cellular phones as its development was accelerated by...

    , 3-axis Accelerometer
    Accelerometer
    An accelerometer is a device that measures proper acceleration, also called the four-acceleration. This is not necessarily the same as the coordinate acceleration , but is rather the type of acceleration associated with the phenomenon of weight experienced by a test mass that resides in the frame...

    , Magnetometer (Compass)
    Magnetometer
    A magnetometer is a measuring instrument used to measure the strength or direction of a magnetic field either produced in the laboratory or existing in nature...

    , Battery Temperature Sensor
    Thermometer
    Developed during the 16th and 17th centuries, a thermometer is a device that measures temperature or temperature gradient using a variety of different principles. A thermometer has two important elements: the temperature sensor Developed during the 16th and 17th centuries, a thermometer (from the...

  • Connectivity WCDMA (3G) or GSM (2G) telephony network, Wi-Fi (802.11b/g), Bluetooth 2.0+EDR, Micro USB, A-GPS
  • Dimensions 116 mm (4.6 in) (h); 62.5 mm (2.46 in) (w); 13.6 mm (0.54 in) (d)
  • Weight 135 g (4.8 oz)

Firmware / ROMs

The Pulse was originally released with Android 1.5 heavily customised and branded by T-Mobile. It came with its own Home screen app, as well as various non-stock applications, including Documents To Go
Documents To Go
Documents To Go is an office suite for Palm OS, Windows Mobile, Maemo, Blackberry OS, Symbian OS, Android, and iOS. Also, a larger-screen version would have been included with the Palm Foleo, but Palm, Inc. cancelled the device before its release...

 and RoadSync from DataViz.

Official Firmware

Official firmware from the manufacturer, have been independently released by
  • T-Mobile Hungary
  • T-Mobile Sweden
  • T-Mobile UK


As of June 2010, T-Mobile has provided some firmware releases for the Pulse :
  • November 2009 Open Source Code released
  • November 2009 Pulse firmware download
  • December 2009 Increased stability; Improved audio
  • May 2010 2.1 available in Hungary as an update
  • August 2010 2.1 available in the UK as an update (T-Mobile has since removed this update from their site for further bug testing due to a SMS issue.)
  • September 2010 2.1 Source Code released
  • February 2011 2.1 available in the UK as an update (...B836... compared to ...B826... in Aug 2010, including the SMS fix)

Unofficial Firmware

It is possible to root
Rooting (Android OS)
Rooting is a process that allows users of mobile phones and other devices running the Android operating system to attain privileged control within Android's Linux subsystem with the goal of overcoming limitations that carriers and manufacturers put on some devices...

 the Pulse, using software developed by the Android community. A custom recovery image is also installable .

Several custom ROMs have been created adding various features, including EXT2/3/4 file system support and Busybox preinstallation.
The firmware from the Huawei u8230 has been ported to the Pulse to remove the T-Mobile branding, as well as other changes.

On 12 May, 2.1 was released on the Modaco Forums

On 8 October, Tom G from the Modaco Forums ported a 2.2 beta of CyanogenMod 6 . Latest available version is CM6.1RC2 0.40 Beta.

There is a project under way for CyanogenMod
CyanogenMod
CyanogenMod is an after-market replacement for the firmware of over sixty cell phones and Internet tablets. Based on the Android mobile computer operating system, it offers features and options not found in the official firmware distributed by vendors of these devices.Features supported by...

to support the T-Mobile Pulse

External links

The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
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