| Touchscreen smartphone|
768 MHz ARMv6-capable processor, Underclocked to 528 MHz
192 MB DDR SDRAM (Some models have 256 MB)
The T-Mobile Pulse (Huawei U8220)(sold as the CHT8000 in Taiwan) is an Android-powered phone manufactured by Huawei 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.
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)
T-Mobile Pulse Wikipedia
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.
Official firmware from the manufacturer, have been independently released byT-Mobile Hungary
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)
It is possible to root 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.
The highest supported CyanogenMod version is 7; it is based on Android 2.3.7.