San Jose, CA; USA, February 12, 2003 - DoOnGo Technologies, Inc., the leading provider in mobile device software management and over-the-air (OTA) application provisioning, announced today that China United Telecommunications Corporation ("China Unicom"), the market leader in telecommunications services signed a strategic license agreement with DoOnGo on 11 February 2003 in Beijing. DoOnGo will license DeltaUpgrade?, the industry-leading over-the-air software management and upgrade system to China Unicom to provide over-the-air handset-embedded software update services to China Unicom's subscribers. Furthermore, both parties will join forces and cooperate on a long-term basis to provide DeltaUpgrade to China Unicom handset suppliers.

According to the agreement, the two companies will work together in the following aspects. Firstly, both parties will jointly promote the implementation of OTA application provisioning for embedded software update services by developing a strategic integration plan for China Unicom suppliers to adopt DeltaUpgrade as their preferred software solution platform. Secondly, both parties will jointly host technical seminars and trainings to assist handset suppliers in preparing their handsets for deployment on China Unicom's network.

"We are very excited to work with DoOnGo to provide the first OTA Value-Added Service Department. "No other end-to-end architecture could deliver such reliable commercial performance to our tens of millions of subscribers, and at the same time give us the flexibility to extend the applications to take advantage of new business opportunities so quickly and easily."

Dr. LuoSheng Peng, President and CTO of DoOnGo Technologies, is also very pleased with the cooperation between China Unicom and DoOnGo. He said, "We are very proud to have been chosen as the platform solution provider by China Unicom to deliver remote OTA embedded handset software upgrades to all of their users."

About DoOnGo Technologies:
DoOnGo Technologies is the world's market leader providing end-to-end wireless infrastructure software management and (OTA) application provisioning solutions to wireless carriers and mobile device manufacturers. DoOnGo's Mobile Intelligence product suite, consisting of DeltaUpgrade and DeltaRewrite, is the most advanced and sophisticated product line that is carrier grade and being deployed today for over-the-air and point-of-presence software update and rewrite needs. This premier product suite provides the infrastructure that delivers intelligent management and update capabilities for mobile devices including embedded software, applications, and data on wireless networks. DoOnGo is a privately held company headquartered in San Jose, California with worldwide offices in China and Japan. For more information, please visit DoOnGo's home page at http://www.doongo.com.

About China Unicom:
China Unicom is the market leader in telecommunications services in China. The services include mobile communications service, nationwide radio paging service, international and domestic long distance telephone service, data communications services such as Internet and IP telephony and other related value-added services. With the potential market in China, China Unicom runs one of the world's largest, most sophisticated communications network; and is the only supplier of both GSM and CDMA based mobile communications services in China