To use a firehose loader, the A20s must be in . This can be achieved through:

The Samsung Galaxy A20s (SM-A207) is a popular budget device powered by the Qualcomm Snapdragon 450 chipset. For technicians and DIY enthusiasts, having a reliable is essential for advanced repairs like unbricking, removing FRP (Factory Reset Protection), or flashing raw firmware.

Are you trying to a dead device or simply perform an FRP bypass ?

Paid software like the UnlockTool or Chimera Tool often include built-in, verified loaders for specific A20s sub-models (SM-A207F, SM-A207M, etc.).

Removing the Google account lock after a factory reset if the owner has forgotten their credentials.