Low-level factory flashing completely formats the storage blocks. Whenever feasible, use specialized tools to back up the device's vendor-specific security structures ( NVRAM / OEMINFO ) to prevent losing the device's IMEI and cellular capabilities.
If you’d like, I can instead write a covering:
: Click on the Image or Settings icon to browse and select the XML configuration file (usually named flash_tool.xml or similar) found within your firmware folder.