The phrase "additionally upgraded" is correct and usable in written English.
It can be used when describing something that has been improved or enhanced further, in addition to previous upgrades or improvements.
Example: "The software has been additionally upgraded to include new features and improved security measures."
Alternatives: "further enhanced" or "also improved".
Additionally, Lehman Brothers upgraded the stock to reflect two other developments: the settlement of a tax dispute with British authorities and the appointment earlier this year of Richard Lapthorne as chairman.
Additionally, the upgraded automated BSI demonstrated that with minimal manual supervision, it can standardize the inter-operator variability in the assessment of change in bone scan.
Additionally, 59 cases were upgraded from first to second degree.
Additionally, there are upgrading related issues, such as who determines and manages such upgrading.
Additionally the device has been upgraded with the latest Intel® Wi-Fi chipset and Bluetooth® 2.1.
Additionally, regular upgrade and dissemination of clinical guidelines should be undertaken by independent professional organizations.
Additionally, it was proposed that the existing A5 could be upgraded to full dual carriageway grade separated standards together with improvements to the A41 and A464 trunk routes.
By 1956, the surface of RM 2134 had been upgraded to stone, and the northern portion had been additionally straightened.
Additionally, the LLS in the Tohoku district, originally installed in 1994, was upgraded in 2011, resulting in improved measurement accuracy after 2011 (Honma et al. 2012).
Additionally, American plans to upgrade lounges and waiting areas at airports, adding more power outlets, worktables and check-in kiosks.All of these changes directly affect customer experience, and should make flying American a lot more pleasant for business travellers and vacationers alike.
