The phrase "an upgraded system" is correct and usable in written English.
You can use it when referring to a system that has been improved or enhanced in some way, often in a technological or operational context.
Example: "The company has implemented an upgraded system to improve efficiency and reduce downtime."
Alternatives: "a modernized system" or "an enhanced system."
But as a result of an upgraded system of infrared camera surveillance to monitor boats, the port has not witnessed any such arrivals in over a year.
After three years and a $100 million investment, the Nasdaq stock market began trading stocks yesterday in an upgraded system that it hopes will increase its trading volumes and win back market share from alternative share trading networks.
Democracy simply must put its own house in order, shed the democratic model built 100 years ago and consciously design an upgraded system appropriate for the next 100 years.
The technology will be used to track aircraft on the U.S. Air Force's White Sands Missile Range in New Mexico, where an upgraded system will soon cover an area of 6,474 square kilometers.
o Will be run on an upgraded system using modern software.
Glendale hopes to upgrade its traffic operation center, and Burbank would like to install an upgraded system for 59 traffic signals along Glenoaks Boulevard, Buena Vista Street and Hollywood Way.
Dynomat will increase your sound quality, but not make much difference unless you already have a nearly fully upgraded system.
You're basically, yes, hunting monsters, with co-op multiplayer and a well-worked weapons upgrading system to hold your interest.
You may not want to purchase a used Apple computer running on an outdated operating system, unless it has enough memory to support an upgraded operating system.
Look to an upgraded Medicaid system to become the country's blanket insurer for the uninsured.
The hospital is given an indoor wireless network, an upgraded telephone system and additional computers.
