HTC

HTC Corporation, formerly High-Tech Computer Corporation, is a Taiwanese manufacturer of smartphones and tablets headquartered in New Taipei City, Taiwan. HTC began as an original design manufacturer and original equipment manufacturer, designing and manufacturing devices such as mobile phones, touchscreen phones, and PDAs based on Windows Mobile OS and Brew MP to market to mobile network operators who were willing to pay a contract manufacturer for customized products. After initially making smartphones based mostly on Windows Mobile, HTC expanded its focus in 2009 to devices based on the Android, and in 2010 to Windows Phone. A September 2013 media report stated that HTC's share of the global smartphone market is less than 3 percent and its stock price has fallen by 90 percent since 2011.

Rooting steps and other important tricks are available here:

1. Root HTC One X
2. Root HTC Google Nexus One
3. Root the HTC Explorer A310e(Pico)
4. Increase internal memory of HTC Explorer (Pico)