Are you trying to a dead device or simply perform an FRP bypass ?
If you have a loader but are still seeing errors like "Sahara Fail" or "Download Protocol Failed," consider these steps: a20s firehose loader better
Ensure you are using the latest Qualcomm USB Drivers. Are you trying to a dead device or
Paid software like the UnlockTool or Chimera Tool often include built-in, verified loaders for specific A20s sub-models (SM-A207F, SM-A207M, etc.). a20s firehose loader better
Finding a "better" loader usually refers to a file that is compatible with the device's specific security patch level, as newer firmware often blocks older generic loaders. Why You Need an A20s Firehose Loader
Removing the Google account lock after a factory reset if the owner has forgotten their credentials.