Writing firmware directly to the internal storage (UFS/eMMC) .
Every Qualcomm Snapdragon device (like the Poco X3 Pro’s Snapdragon 860) has a low-level recovery mode called . This mode is hardwired into the boot ROM and cannot be corrupted by software bricking. EDL allows you to write to raw partitions on the eMMC/UFS storage, even when the device is completely dead (no screen, no vibration, no bootloader). patched firehose file for poco x3 pro cracked