If the flash fails with a "Write Timeout" or "Cannot read from port" error, your UFS storage chip or PMIC (Power Management IC) may be physically damaged. This is a common hardware defect in the Poco X3 Pro series.
Patched Firehose File For Poco X3 Pro [TOP]: A Comprehensive Guide Patched Firehose File For Poco X3 Pro %5BTOP%5D
The Poco X3 Pro is infamous for CPU and PMIC (Power Management IC) solder degradation due to thermal cycles. If your device died suddenly during normal usage (not during an OTA update or rooting process), the brick may be a rather than a software issue. If a patched Firehose flash repeatedly fails with "Sahara Communication Error" or "Write Timeout," the physical UFS storage chip or CPU may need professional reballing. Anti-Rollback Protection (ARB) If the flash fails with a "Write Timeout"