Manufacturer of some of the most popular mobile phones, HTC, has reportedly preparing to introduce two new Android-based smartphones viz. the HTC Desire Z and HTC Desire HD.

Leaked reports about he specifications of the HTC Desire Z claims that the device will come equipped with a screen of the same size as that of the non-QWERTY HTC Desire, providing users with a 3.7-inch of touch space. The device is expected to feature a 1 GHz processor.

Recently on August 20, the HTC Desire Z was spotted online with a full QWERTY keyboard and Android 2.1 operating system.

The HTC Desire HD smartphone too has a mystifying history of online leaks. The HTC Desire HD was first spotted under the name HTC Ace, which was featuring a 4.3-inch display.

The company is expected to confirm the HTC Desire Z as well as HTC Desire HD, when its displays its future smartphones in London on September 15.

Separately, the HTC Wildfire smartphone is now costing less than £15 a month on contract, which makes it the cheapest Android-based HTC handset in the country.

The HTC Wildfire, which is available on the T-Mobile network, features a 3.2-inch QVGA capacitive touchscreen, a 528MHz processor and a 5-megapixel camera with flash.