Unbricking a OnePlus Nord N200 5G requires using the MSM Download Tool on a Windows PC, which flashes official firmware while the device is in Emergency Download (EDL) mode. Users must match the correct firmware—T-Mobile (DE2118) or Unlocked (DE2117)—to their device, as the process completely wipes all data and relocks the bootloader. Read the full, detailed guide at XDA Developers . How to unbrick your OnePlus Nord 2, Nord CE, or Nord N200