|Slogan||"Take the big screen with you"|
|Series||HTC Touch family|
|Compatible networks||Quadband GSM / GPRS, EDGE and dual band WCDMA, HSDPA, HSUPA|
|Availability by country||November 2009|
|Predecessor||HTC Touch, HTC Touch HD|
|Related||Nexus One, HTC Desire, HTC Evo 4G, HTC HD Mini, HTC Desire HD, HTC Firestone, HTC Tianxi|
|Dimensions||120.5 x 67 x 11 mm
(4.74 x 2.64 x 0.43 in)
(T-Mobile US version
122 x 67 x 11 mm)
|Weight||162 g (5.54 oz)
(157 g T-Mobile US version)
|Operating system||Windows Mobile 6.5 Professional
Unofficially: Windows Phone, Android, Windows RT, Firefox OS, Sailfish OS, MeeGo
|CPU||1 GHz single-core Qualcomm Scorpion processor
(Snapdragon S1 QSD8250 chipset)
|GPU||Adreno 200 (AMD Z430) with OpenGL ES 2.0 support|
|Memory||512MB internal flash ROM (1024MB on T-Mobile US version)
576 MB RAM
(Software is limited to using 448 MB on non-US versions)
|Removable storage||microSDHC, up to 32 GB|
|Battery||Rechargeable 1230mAh Li-ion battery (2300mAh extended battery available)(up to 490 hrs standby, 6.3 hrs talk time)|
|Data inputs||2-point multi-touch capacitive touchscreen and stylus pen, proximity sensor, ambient light sensor, 3-axis accelerometer, digital compass (magnetometer)|
|Display||4.3 in. LCD capacitive touchscreen
480x800 px 65k-color WVGA, back-lit TFT LCD
|Rear camera||5 megapixels autofocus CMOS sensor, video up to 800×480 resolution|
|Connectivity||Bluetooth, 802.11b/g, A-GPS, micro-USB, 3.5mm audio jack|
The HTC HD2 (also known as the HTC T8585, HTC T9193 and HTC Leo), is a smartphone in the HTC Touch family designed and manufactured by HTC. The HD2 natively runs the Windows Mobile 6.5 operating system, and was released in Europe in November 2009, in Hong Kong in December 2009, and in other regions including North America in March 2010. The phone is the successor to the HTC Touch HD, and is succeeded by the HTC HD7.
Rumors of the HTC HD2 began appearing in September 2009. It was codenamed Leo, although a decal on the back cover conflictingly identified it as the Pro.Three (which indicates it may have been intended as a bridge between the HTC Touch Pro and HTC Touch), and the "About" info in Bluetooth as the HD2. The specifications sheet released turned out to be true when the HD2 was launched, with the exception of the listed 320MB of RAM, compared to the final 576MB (448MB available to user) of RAM.
It is the first smartphone with a 4.3-inch touchscreen, the first Windows Mobile 6.5 phone with a multitouch capacitive screen and HTC Sense, and the second smartphone with a Qualcomm Snapdragon CPU (the first being the Toshiba TG01). The Snapdragon CPU is clocked at 1 GHz, but automatically underclocks itself to 553 MHz if extra processing power is not needed. Tweaks have been made however, to clock the processor dynamically from 96 MHz to 1.61 GHz.
HTC officially sells an optional capacitive stylus pen for the HD2 to aid navigation through the interface. Some Windows Mobile applications were designed to be used with a stylus, rather than finger-touch, and still need a stylus pen to be used effectively.
The HD2 is sold with a black or brown leather slip-case with a velvet interior in certain countries.
An extended 'Media' battery is also available officially from HTC. The official unit comes with a replacement battery cover sporting a pull-out metal kickstand which supports the phone in an upright landscape orientation.
The HD2 was originally slated to be upgraded to Windows Phone (then known as Windows Mobile 7). Microsoft rejected it and other Windows Mobile devices, however, due to it not being compliant with the company's hardware requirements for smartphones running Windows Phone, such as a lack of a dedicated two-stage camera button and five hardware buttons on the front as compared to the three supported. However, developers have successfully ported Windows Phone to the HD2. Microsoft has expressed tacit and subtle approval of such ports, nearing the release of Mango for native Windows Phone devices. Live services were not available to HD2 as the Windows Phone on the HD2 is not activated. It is possible for users to call Microsoft to request an activation key, but the device is not supported as a WP7 phone and being given a code is not guaranteed.
Unlike its sibling, the HD Mini, the HD2 has not received an official upgrade to Windows Mobile 6.5.3, the latest stable release of Windows Mobile (the HD2 natively runs 6.5.0). However, several developers at XDA Developers prepared unofficial 6.5.3 and 6.5.5 (the latter being the last unstable release of Windows Mobile) ROMs for the HD2.
The ability to 'mod' the HTC HD2 and run multiple different operating systems from the NAND flash or SD card has given it an enduring popularity, and this made the HTC HD2 one of the phones that could run the largest number of operating systems in the world.
Android (versions 2.2 Froyo, 2.3 Gingerbread, 4.0.4 Ice Cream Sandwich, 4.1 Jelly Bean, 4.2 Jelly Bean, 4.3 Jellybean, 4.4 Kitkat, 5.0 Lollipop and 6.0 Marshmallow), Ubuntu, MeeGo and Windows Phone have all been unofficially ported to the HD2. In addition, many customised versions of Windows Mobile are available for the device, with versions 6.1, 6.5, 6.5.3 and 6.5.5 available.
In early October 2010, a video was released that appeared to show a HD2 booting into Windows Phone by way of Russian developer Cotulla's MAGLDR tool (a bootloader), which was initially created to allow the booting of Android from the device's NAND flash. As of 13 January 2011, MAGLDR and a Windows Phone 7 ROM are publicly available. Windows Phone Genuine checks prevent access to Windows Live services. A solution to this problem has been found, though the legality of the activation is still not fully known, and is frowned heavily upon by Microsoft.
When launched in the UK, Vodafone quickly sold all of its stock and developed a backlog of orders, and O2 delayed putting the HD2 on its website so that it could fulfill all orders. Similarly, in the US, the HTC HD2 sold out in most T-Mobile stores within 4 hours and T-Mobile struggled to keep it in stock for several weeks.
Certain T-Mobile locations ran a promotion that stated that iPhone users who traded in their handsets could get anywhere from $100 to $350 off the HD2.
The HTC HD2 has become notoriously difficult to get hold of in the UK and Europe. There is still a high level of demand for the product amongst businesses, due to the fact that many have apps that operate solely on the Windows 6.5 operating system.
- TouchFLO 3D
- HTC Touch
- HTC Touch HD - the predecessor to the HD2.
- HTC HD Mini - a variant of the HD2, with lower specs and running Windows Mobile 6.5.3
- Pocket PC - the HD2's basic software and hardware platform.
- Information appliance
- Technological convergence
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-  Archived 25 April 2012 at the Wayback Machine.
- HTC HD2 WM6.5 Energy ROM Series 28244, 21916, Sense 2.5 (2011-02-17). "HTC HD2 WM6.5 Energy ROM Series 28244, 21916, Sense 2.5 | Android, Windows Phone 7 and Windows Mobile". Pockethacks.com. Retrieved 2013-07-11.
- Savov, Vlad (2009-12-30). "HTC HD2 plays Tekken 3 using FPSECE emulator". Engadget.com. Retrieved 2013-07-11.
- Windows Phone 7 on a HD2[dead link]
- "Microsoft has a Genuine Software checker for Windows Phone 7; complicates custom ROMs". Windows Phone Central. 2010-11-22. Retrieved 2011-01-05.
- "Windows Phone 7 Cloud Security Cracked, But There's a Catch". pocketnow.com. 7 Jan 2011.
- "HTC HD2 Gets Mango Bliss – SD Card And All! – xda-developers". Xda-developers.com. 2011-08-27. Retrieved 2013-07-11.
- z01d (23 Dec 2012). "[magldr] ubuntu, 3g, wifi,sound, landscape....". XDA Developers. XDA Developers. Retrieved 23 Dec 2012.
- HTC HD2 proves itself a hacker's delight once again by running Windows RT
- Motorola il iDEN (2012-12-03). "HTC HD2 can run Windows Phone 8, too!". Intomobile.com. Retrieved 2013-07-11.
- feherneoh (6 May 2013). "[ROM][PORT][B2G][WIP][NativeSD]Boot HD2Gecko". XDA Developers. XDA Developers. Retrieved 10 May 2013.
- gilbert32 (19 May 2013). "[MAG/CLK][DEV]Sense 5 on HD2[WIP][SOUND]". XDA Developers. Retrieved 5 November 2013.
- Gareth Beavis (11 Dec 2009). "Vodafone dropping HTC HD2 after two months". TechRadar.
- Genius, Boy (2010-03-25). "T-Mobile HTC HD2 sells out in four hours?". Boygeniusreport.com. Retrieved 2010-04-22.
- "T-Mobile HTC HD2 Sold Out for the Third time". Sizlopedia.com. Retrieved 2010-04-22.
- "T-Mobile offering up to $350 off an HD2 in exchange for your iPhone, soul". Engadget. 2010-04-05. Retrieved 2010-04-22.
- "Review of the Refurbished HTC HD2". Gadgetnode. Retrieved 20 April 2012.