If the phone still boots to Android, you can use the command adb reboot edl .
When your A20s is hard-bricked, the boot ROM is still alive, but it refuses to load Samsung’s bootloaders. The Firehose loader doesn't boot the OS; it simply pipes raw commands to the NAND flash. Without it, you cannot flash a PIT (Partition Information Table), repartition the storage, or flash a full factory firmware via QFIL or Qualcomm Flash Image Loader. a20s firehose loader better
: If you're experiencing issues or looking for optimization tips, reaching out to the manufacturer's support team can provide direct guidance or resources. If the phone still boots to Android, you
Deployment options: self-hosted containerized clusters or managed cloud service with autoscaling and multi-region replication. Without it, you cannot flash a PIT (Partition
If you’ve ever tried to unbrick, flash, or restore a using Qualcomm’s EDL (Emergency Download Mode), you’ve likely run into the same nightmare: finding a working Firehose loader.
bkerler/edl: Inofficial Qualcomm Firehose / Sahara ... - GitHub