The HTC Touch HD supports GSM and HSPA technologies, making it compatible with 2G and 3G network bands. For 2G, it operates on GSM 850, 900, 1800, and 1900 bands. As for 3G connectivity, it utilizes HSDPA on the 900 and 2100 bands. The device can achieve speeds of HSPA 7.2 Mbps for downloads and 2 Mbps for uploads, which was quite efficient for its time.
HTC officially announced the Touch HD in September 2008, and it was released in November 2008. The device has since been discontinued, but it remains a significant milestone in the evolution of smartphones, particularly for its innovative features at the time.
The HTC Touch HD features a sleek design with dimensions measuring 115 x 62.8 x 12 mm (4.53 x 2.47 x 0.47 in) and a weight of 146 g (5.15 oz), which gives it a solid yet manageable feel in hand. It uses a Mini-SIM card, which was standard during its release period.
One of the Touch HD's standout features is its display. The device is equipped with a 3.8-inch TFT resistive touchscreen that displays 65K colors. This screen has a resolution of 480 x 800 pixels, offering a 5:3 aspect ratio and a pixel density of roughly 246 ppi, which was impressive for its time. Its screen-to-body ratio is approximately 56.9%, indicating a large display relative to the size of the device.
The device runs on Microsoft Windows Mobile 6.1 Professional, which was a popular choice among smartphones at the time of its release. The Touch HD is powered by a Qualcomm MSM7201A chipset, with a 528 MHz ARM 11 CPU and an Adreno 130 GPU. This combination provided a balance of power efficiency and performance suitable for multitasking and running various applications.
Regarding memory, the HTC Touch HD offers 288MB of RAM and 512MB of internal ROM. The storage is expandable via a dedicated microSDHC slot, with an 8 GB card included originally. This expandable storage was a significant advantage for users who needed additional space for applications, music, and other media.
The HTC Touch HD features a 5 MP autofocus main camera that supports CIF video recording at 30fps. This camera was considered quite advanced for its time, offering decent image quality for a smartphone.
The device is equipped with a VGA front-facing camera designed for video calls, which was a novel feature during its release period. Although it doesn't match the quality standards of today's front cameras, it was suitable enough for video communication back then.
The audio features of the HTC Touch HD include a loudspeaker and a standard 3.5mm headphone jack, both essential for media consumption. The sound quality is noted for being quite good in terms of voice, noise, and ringtone output levels.
Communication options in HTC Touch HD include Wi-Fi 802.11 b/g for wireless internet connectivity, Bluetooth 2.0 with A2DP for audio streaming and device connectivity, and GPS with A-GPS support for navigation services. Additionally, the device includes a stereo FM radio with RDS and is equipped with a miniUSB 2.0 port for data exchange and charging.
Among its features, the HTC Touch HD incorporates an accelerometer and proximity sensor. Its web browsing capabilities include WAP 2.0/xHTML and HTML, which made internet access and website navigation possible. These features enhanced the overall user experience, allowing users to interact with various applications ergonomically.
The device is powered by a removable Li-Ion 1350 mAh battery, which offers up to 450 hours of standby time and approximately 6 hours and 30 minutes of talk time. The battery life was adequate for moderate use, which included talking, browsing, and multimedia playback.
The HTC Touch HD was available in a black color variant, delivering a sleek and professional appearance. Regarding SAR values, it presents 0.72 W/kg for the head and 1.02 W/kg for the body. Originally, the device was priced at around 290 EUR, placing it within a competitive range for high-end smartphones of that time.
In terms of performance tests, the HTC Touch HD showed satisfactory results. The loudspeaker test results came in at Voice 77dB, Noise 73dB, and Ring 76dB, indicating clear audio performance. For audio quality, it recorded noise at -86.7dB and crosstalk at -86.1dB, both of which suggest a competent audio playback quality for a device of its era.
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