HTC Inspire 4G

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HTC Inspire 4G
HTC Desire HD with Sense20.jpg
ManufacturerHTC Corporation
Slogan"Inspiration comes faster"
First released13 February 2011; 8 years ago (2011-02-13)
SuccessorHTC Vivid 4G
RelatedHTC Desire HD
Form factorSlate smartphone
Dimensions122 mm (4.8 in) H
68 mm (2.7 in) W
12 mm (0.47 in) D[1]
Mass164 g (5.78 oz)
Operating systemAndroid 2.3.5 with HTC Sense 3.0
Released 31 July 2012 (2012-07-31)
CPU1 GHz Qualcomm Snapdragon MSM8255
GPUAdreno 205
Memory768 MB RAM
Storage4 GB ROM
Removable storage8 GB microSD, up to 32 GB supported
Battery1230 mAh Lithium-ion battery
Data inputsMulti-touch touchscreen display
Dual microphone
3-axis accelerometer
Digital compass
Proximity sensor
Ambient light sensor
Display4.3 in (11 cm) class diagonal widescreen
480x800 S-LCD TFT LCD at 217 ppi
Rear camera8 megapixel autofocus with dual LED flash, backside illumination
Front cameraNone
SoundDolby Mobile and SRS sound enhancement
Connectivity2.5G (GSM/GPRS/EDGE): 850/900/1800/1900 MHz; 3GPP (HSPA+ 850/1900 MHz);[2] Wi-Fi (802.11 b/g/n); Bluetooth 3.0; USB 2.0, DLNA
OtherWi-Fi Hot Spot, FM radio, A-GPS, 3.5 mm stereo audio jack, Micro-USB

The HTC Inspire 4G is the first smartphone available on AT&T Mobility branded as "4G". It was first announced at CES in January 2011 and was released in February 2011. The Inspire 4G is a variant of the HTC Desire HD that was sold in Europe so the Inspire has the same design and similar specifications except that the Inspire supports AT&T's HSPA+ 4G network.[3]


The Inspire features a 1 GHz Qualcomm Snapdragon processor and an 8 MP camera and dual LED flash, in-camera editing, live picture effects, and a 720p camcorder to capture HD video.[4] It has a 4.3-inch class (480×800) WVGA (16M Colors) TFT capacitive touchscreen covered by Gorilla Glass,[5] a special crack and scratch resistant material made by Corning with multi-touch input support.[6]

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.


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 8 August 2011 to Android 2.3.3 with Sense 2.1 and again on 31 July 2012 to Android 2.3.5 with Sense 3.0.

In May 2011, AT&T issued an update allowing unknown sources to be installed, which allows users to sideload applications. On 25 July 2011 AT&T issued Android 2.3.3 Gingerbread, HTC Sense 2.1, and various fixes to the phone.[7]

On 31 July 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.[8] This was the last official update for the phone's operating system. In March 2013, AT&T issued a security update for various HTC and carrier applications used in the previous software update.

In the xda-developers forum, user software is available for the device with Android 4.4.4 via Cyanogenmod 11.

HSUPA issues[edit]

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.[9] However, the Inspire 4G is fully capable of HSUPA, but it was disabled by AT&T for unknown reasons.[10] By 30 April 2011 AT&T issued an over the air (OTA) update enabling HSUPA for the HTC Inspire 4G.

See also[edit]


  1. ^ "HTC Inspire 4G Specs". HTC Corporation. Retrieved 25 June 2011.
  2. ^ "HTC Inspire 4G". HTC Corporation. Retrieved 25 February 2011.
  3. ^ "Compare HTC Inspire 4G and HTC Desire HD". Archived from the original on 20 February 2011. Retrieved 29 July 2011.
  4. ^ "HTC Inspire 4G". HTC Corporation. Archived from the original on 23 May 2011. Retrieved 6 February 2011.
  5. ^ "Products with Gorilla". Featured products. Corning Incorporated.
  6. ^ "HTC Inspire 4G Mobile Phone". Archived from the original on 27 January 2011. Retrieved 25 January 2011.
  7. ^ "AT&T Customers to Enjoy Gingerbread". Retrieved 1 August 2011.
  8. ^ "HTC Inspire™ 4G for AT&T ROM Update". 2012-07-31. Retrieved 1 August 2012.
  9. ^ "AT&T confirms the Inspire 4G does not feature HSUPA". Retrieved 23 February 2011.
  10. ^ "AT&T's HTC Inspire 4G can do HSUPA, has it disabled for some mysterious reason. But, HTC promised to enable the feature 'soon'". Retrieved 21 February 2011.

External links[edit]