FLASH_END 0x1DAC00000

: It acts as a blueprint that tells the flashing software exactly where each partition (e.g., system, boot, recovery, cache) starts and ends within the device's eMMC or UFS storage. Firmware Deployment

: The file specifies "is_download" and "is_upgradable" flags for each partition, allowing users to select only the necessary components for flashing while protecting sensitive data areas. Flashing and Recovery Process