m.azeem.amir , via OnePlus 7T , Mar 26, 2021 : Hi there everyone, i had recently install android 11 from XDA form link which is following OnePlus 7T -Global: Full Update After this installment i noticed that my build number is not showing only know unknown. I search and now came to know that hd1097 model came under T-Mobile not under global and aisa or europe. I had successful install android 11 and no issue to be found but i noticed that now my device showing unsupportive in Oxygen updater App as well. Anyway to fix this or anyone has link for the android 11 oxygen os for T-Mobile oneplus 7T.?? So that i can reinstall the OS.