The phrase "additional upgrade" is correct and usable in written English.
It can be used when referring to an extra improvement or enhancement added to something that has already been upgraded.
Example: "The software now includes an additional upgrade that enhances its security features."
Alternatives: "extra enhancement" or "further improvement".
"Thankfully this has now been approved," the R.N.C. finance chairman writes, "so I am taking the liberty of enclosing an invoice for the additional upgrade".
An additional upgrade was made in 1875 when the lamp was switched out for a four-wick mineral oil burner.
The additional upgrade package is the VIP package for the V8 trim and this is worth look with a 12-way power-adjustable driver seat that is perfect for traveling, a power front headrest, ventilated and reclining rear seats that have lumbar support and a 360-degree parking camera system as well as a frontal and pre-collision warning system.
The PS1500 has a PCI slot, but additional upgrades could be tricky.
Additional upgrades that OnStar is planning include hardware to turn the cars into roving Wi-Fi hotspots.
Additional upgrades were made to the supercar's Intake Sound Generator, allowing the driver to manage the amount of engine burble that enters the cabin.
The audits are expected to result in recommendations on how to improve each building's overall energy efficiency through additional upgrades, including the replacement of outdated No. 4 and No. 6 fuel oil boilers when necessary, the officials said.
Any additional upgrades from the remaining holdouts could add some lift to the shares.
Musk wants to use vehicle upgrades to increase overall margins, essentially allowing drivers to unlock additional upgrades directly from vehicles.
The Tübingen STP is a conventional municipal treatment plant with no additional upgrades and a daily load between 40,000 and 50,000 m3[50,000
However, in spite of the burgeoning glee, there is still ample room for additional upgrades, which could lift the sector higher.
