SM-G960U Samsung Galaxy S9 With US Cellular - Stuck - Flashed Combo

Hello,
I have a samsung galaxy s9
I have flashed a combo on it, and now i can't flash it back to stock from US cellular or any other stock from different company, (T-Mobile Sprint Verizon etc).
Anyone we can put this phone back to stock ?
Currently its on the combo AP: G960USQU2ARC7 & CP: G960USQU2ARC6
Any Help is appreciated.
Thank You