T-Mobile Pulse

The T-Mobile Pulse (Huawei U8220)(sold as the CHT8000 in Taiwan) is an Android-powered phone manufactured by Huawei[4] 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.

T-Mobile Pulse[1][2][3]
ManufacturerHuawei
TypeTouchscreen smartphone
Release dateOctober 2009
Operating systemAndroid, officially 2.1, can be upgraded to custom 2.2 ROMS.
CPU768 MHz ARMv6-capable processor, Underclocked to 528 MHz
Memory192 MB DDR SDRAM (Some models have 256 MB)
StorageFlash memory: [256] MB
microSD slot: supports up to 16 GB
Display320 x 480 px, 3.5 in (89 mm), HVGA, transflective TFT
InputCapacitive touchscreen display, on-screen QWERTY keyboard, volume controls, 3-axis accelerometer, 4 front-facing physical buttons
Camera3.2 megapixel CMOS Sensor with auto focus (Rear-Facing Camera)
ConnectivityWCDMA (3G) or GSM (2G) telephony network, Wi-Fi (802.11b/g), Bluetooth 2.0+EDR, USB Micro-B, A-GPS
Power4.2 V 1150 mAh (4.3 Wh)
Internal rechargeable removable lithium-ion battery
Dimensions116 mm (4.6 in) (h)
62.5 mm (2.46 in) (w)
13.6 mm (0.54 in) (d)
Mass135 g (4.8 oz)

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) Internal rechargeable removable lithium-ion battery
  • CPU 768 MHz ARMv6-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)
  • 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 (Rear-Facing Camera).
  • Sensors A-GPS, 3-axis Accelerometer, Magnetometer (Compass), Battery Temperature Sensor
  • 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 and RoadSync from DataViz.[5]

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:[6]

  • 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[7] (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 the Pulse, using software developed by the Android community.[8] A custom recovery image is also installable.[9]

Several custom ROMs have been created adding various features, including EXT2/3/4 file system support and Busybox preinstallation.[10] The firmware from the Huawei u8230 has been ported to the Pulse to remove the T-Mobile branding, as well as other changes.[11]

On 12 May, 2.1 was released on the Modaco Forums.[12]

On 8 October, Tom G from the Modaco Forums ported a 2.2 beta of CyanogenMod 6.[13] Latest available version is CM6.1RC2 0.40 Beta.

The highest supported CyanogenMod version is 7;[14] it is based on Android 2.3.7.

gollark: Makes sense, though shouldn't you update the version number?
gollark: Each sound key gets its own timing data, or they're played in pairs?
gollark: Wait, how is the timing meant to work?
gollark: So unserialize.
gollark: In this case, the table is the whatever.

See also
  • List of Android devices

References
  1. T-Mobile Pulse
  2. Register Hardware - T-Mobile Pulse
  3. PDAdb.net
  4. Register Hardware - T-Mobile Pulse
  5. Register Hardware - T-Mobile Pulse
  6. T-Mobile UK Android Updates
  7. T-Mobile UK Android Updates
  8. Superboot - rooting without a Custom ROM - Android @ MoDaCo
  9. Installing the patched recovery image on your device - Android @ MoDaCo
  10. MoDaCo Custom ROM - Stock T-Mobile Style
  11. U8230 ROM on the Pulse... YES YOU CAN! :) - Android@MoDaCo
  13. "Archived copy". Archived from the original on 2011-07-05. Retrieved 2011-07-05.CS1 maint: archived copy as title (link)
  14. http://get.cm/?device=u8220
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