|Slogan||"Inspiration comes faster"|
|First released||February 13, 2011|
|Successor||HTC Vivid 4G|
|Related||HTC Desire HD|
|Form factor||Slate smartphone|
|Dimensions||122 mm (4.8 in) H
68 mm (2.7 in) W
12 mm (0.47 in) D
|Weight||164 g (5.78 oz)|
|Operating system||Android 2.3.5
Released July 31, 2012 , HTC Sense 3.0
|CPU||1 GHz Qualcomm MSM8255 (Snapdragon)|
|Memory||768 MB RAM|
|Storage||4 GB ROM|
|Removable storage||8 GB microSD, up to 32 GB supported|
|Battery||1230 mAh Lithium-ion battery|
|Data inputs||Multi-touch touchscreen display
Ambient light sensor
|Display||4.3 in (11 cm) class diagonal widescreen
480x800 S-LCD TFT LCD at 217 ppi
|Rear camera||backside illumination 8 megapixel autofocus with dual LED flash, rear-facing|
|Sound||Dolby Mobile and SRS sound enhancement|
|Connectivity||2.5G (GSM/GPRS/EDGE): 850/900/1800/1900 MHz; 3GPP (HSPA+ 850/1900 MHz); Wi-Fi (802.11 b/g/n); Bluetooth 3.0; USB 2.0, DLNA|
|Other||Wi-Fi Hot Spot, FM radio, A-GPS, 3.5 mm stereo audio jack, Micro-USB|
The HTC Inspire 4G (codename "Stallion") is the first smartphone available on AT&T Wireless branded as "4G". It was first announced at CES on January 6, 2011, and is a variant of the HTC Desire HD which is sold in European markets. The Desire HD and Inspire 4G have exactly the same design and specifications except that the Inspire 4G supports AT&T's HSPA+ 4G network. This phone has been discontinued from AT&T.
The Inspire features 1 GHz Snapdragon processor manufactured by Qualcomm. It has an 8 MP camera and dual LED flash, in-camera editing, live picture effects, and a 720p camcorder to capture HD video and instantaneous uploads. It has a 4.3-inch class (480×800) WVGA (16M Colors) TFT capacitive touchscreen covered by Gorilla Glass, a special crack and scratch resistant material made by Corning with multi-touch input support. The Inspire launched with Android™ 2.2.1 Froyo with the custom HTC Sense 2.0 skin as the user interface. The OS was later updated on August 8, 2011 to Android™ 2.3.3 with Sense 2.1 and again on July 31, 2012 to Android 2.3.5 with Sense 3.0.
The HTC Inspire 4G has 768 MB RAM and 4 GB of internal flash memory data storage. There is also a single microSDHC slot, which can accept a microSDHC card with a capacity of up to 32 GB of data storage.
Original specs pointed out the existence of HSUPA to enhance the upload speeds under the 3G network, but as early adopters inquired about slow upload connections, AT&T replied that the Inspire 4G is not HSUPA capable. However, the Inspire 4G is fully capable of HSUPA, but it was disabled by AT&T for unknown reasons. By April 30, 2011 AT&T issued an over the air (OTA) update enabling HSUPA for the HTC Inspire 4G.
As of May 2011, AT&T issued an update allowing unknown sources to be installed, which removes the need to sideload applications (this fix is included in all Gingerbread updates). On July 25, 2011 AT&T issued Android 2.3.3 Gingerbread, HTC Sense 2.1, and various fixes to the phone.
On July 31, 2012 HTC released software update 3.20.502.52 OTA. New features included: Android 2.3.5, HTC Sense 3.0, Task Manager, and AT&T Address Book. Fixes/Updates included: Call optimization improvements, improved security functionality, SMS/MMS contact display fix, background data use improvement, and slightly longer battery life. This is the last official update for the phone's operating system. In March 2013, AT&T issued a security update for various applications used in the July 2012 software.
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