The HTC Universal is a Windows Mobile 5.0 Pocket PC PDA manufactured by High Tech Computer Corporation. It was the first 3G/UMTS-enabled Pocket PC PDA with a telecommunications function, and also the first to come with Windows Mobile 5.0 pre-installed. It was sold by many different vendors under the names of O2 xda Exec, Orange SPV M5000, Dopod 900, Qtek 9000, T-Mobile MDA Pro, I-mate JasJar, Vodafone v1640, Vodafone VPA IV, E-Plus PDA IV, etc. Despite all the different model names and housing appearance, they all have identical hardware specifications with small differences in the external color and branding. The most eye-catching feature of this device is its 180-degree swivel screen, allowing a quick swap between portrait mode and landscape mode. The GUI automatically adjusts screen orientation accordingly. SIM lock Most network-supplied versions of the Universal are shipped SIM-locked, with the O2 XDA Exec being a notable exception. HowevXdaer, a free SIM unlocking tool was released. This process involves flashing a new Radio ROM onto the device, and it may invalidate the warranty. Detailed specifications Screen Size: 3.7 in (9.4 cm) Transflective LCD Screen Resolution: 640 x 480 VGA at 216 ppi Input: 62-key QWERTY keyboard and touchscreen with stylus (included; stylus also available separately for 19 EUR as of October 2008) Cameras: 2 1.3 MP CMOS Camera with LED "flash" mounted on the reverse of the keyboard section QVGA (320 x 240) CMOS Camera for 3G video calling, mounted beside the screen, close to the hinge Processor: Intel Bulverde (PXA270) 520 MHz CPU Memory: Flash ROM: 128 MB, RAM: 128 MB/64 MB SDRAM Memory expansion: SDIO/MMC card slot (officially without SDHC, with maximum capacity supported being 4GB, but there is unofficial SDHC support from xda-developers SDHC cards are accepted with Windows Mobile 6.1 or higher and there is another unofficial update to Windows Mobile 5 that allows the use of SDXC cards up to 64GB.) Network Standard: Tri-Band GSM/GPRS (900/1800/1900) + WCDMA (UMTS) (2100 MHz) GPRS: Class B Multi-slot standard class 10 PBCCH MO/MT SMS over GPRS Connection interface: Client only Mini-USB connector, USB charging, USB 2.0 protocol Wireless connectivity: Infrared IrDA FIR, Bluetooth 1.2 Class 2 compliant, WiFi 802.11b IEEE 802.11b compliant, Internal Antenna, 11, 5.5, 2 and 1 Mbit/s per channel, 64-, 128-bit WEP and WPA standard data encryption Standard battery capacity: 1620 mAh (included; battery is removable) Charging: Mini USB (also used for data transfer) Extended